--stringparam base.path replaces with -o

[stg.git] / doc / help / xslt / html / param.xml

<?xml version="1.0" encoding="ASCII"?>
<book version="5.0">
<info>
<title>HTML Parameter Reference</title>
<releaseinfo role="meta">
$Id: param.xweb 8552 2009-12-07 17:45:26Z bobstayton $
</releaseinfo>
<author>
  <personname>
    <surname>Walsh</surname>
    <firstname>Norman</firstname>
  </personname>
</author>
<copyright>
  <year>1999</year>
  <year>2000</year>
  <year>2001</year>
  <year>2002</year>
  <year>2003</year>
  <year>2004</year>
  <year>2005</year>
  <year>2006</year>
  <year>2007</year>
  <holder>Norman Walsh</holder>
</copyright>
<abstract>
  <para>This is reference documentation for all user-configurable
  parameters in the DocBook XSL HTML stylesheets (for generating
  HTML output).</para>
</abstract>
</info>
<reference xml:id="admons"><title>Admonitions</title>
<refentry version="5.0" xml:id="admon.graphics.extension">
<refmeta>
<refentrytitle>admon.graphics.extension</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>admon.graphics.extension</refname>
<refpurpose>Filename extension for admonition graphics</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="admon.graphics.extension.frag">
&lt;xsl:param name="admon.graphics.extension"&gt;.png&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Sets the filename extension to use on admonition graphics.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="admon.graphics.path">
<refmeta>
<refentrytitle>admon.graphics.path</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>admon.graphics.path</refname>
<refpurpose>Path to admonition graphics</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="admon.graphics.path.frag">&lt;xsl:param name="admon.graphics.path"&gt;images/&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Sets the path to the directory containing the admonition graphics
(caution.png, important.png etc). This location is normally relative
to the output html directory. See <parameter>base.dir</parameter></para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="admon.graphics">
<refmeta>
<refentrytitle>admon.graphics</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>admon.graphics</refname>
<refpurpose>Use graphics in admonitions?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="admon.graphics.frag">
&lt;xsl:param name="admon.graphics" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If true (non-zero), admonitions are presented in an alternate style that uses
a graphic.  Default graphics are provided in the distribution.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="admon.textlabel">
<refmeta>
<refentrytitle>admon.textlabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>admon.textlabel</refname>
<refpurpose>Use text label in admonitions?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="admon.textlabel.frag">
&lt;xsl:param name="admon.textlabel" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If true (non-zero), admonitions are presented with a generated
text label such as Note or Warning in the appropriate language.
If zero, such labels are turned off, but any title child
of the admonition element are still output.
The default value is 1.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="admon.style">
<refmeta>
<refentrytitle>admon.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>admon.style</refname>
<refpurpose>Specifies the CSS style attribute that should be added to
admonitions.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="admon.style.frag">&lt;xsl:param name="admon.style"&gt;
  &lt;xsl:value-of select="concat('margin-', $direction.align.start,            ': 0.5in; margin-', $direction.align.end, ': 0.5in;')"&gt;&lt;/xsl:value-of&gt;
&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the value of the CSS <tag class="attribute">style</tag>
attribute that should be added to admonitions.
</para>

</refsection>
</refentry>

</reference>
<reference xml:id="callouts"><title>Callouts</title>
<refentry version="5.0" xml:id="callout.defaultcolumn">
<refmeta>
<refentrytitle>callout.defaultcolumn</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.defaultcolumn</refname>
<refpurpose>Indicates what column callouts appear in by default</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.defaultcolumn.frag">
&lt;xsl:param name="callout.defaultcolumn"&gt;60&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If a callout does not identify a column (for example, if it uses
the <literal>linerange</literal> <tag class="attribute">unit</tag>),
it will appear in the default column.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="callout.graphics.extension">
<refmeta>
<refentrytitle>callout.graphics.extension</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.graphics.extension</refname>
<refpurpose>Filename extension for callout graphics</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.graphics.extension.frag">
&lt;xsl:param name="callout.graphics.extension"&gt;.png&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>
<para>Sets the filename extension to use on callout graphics. </para>

<itemizedlist>
<para>The Docbook XSL distribution provides callout graphics in the following formats:</para>
<listitem><para>SVG (extension: <filename class="extension">.svg</filename>)</para></listitem>
<listitem><para>PNG (extension: <filename class="extension">.png</filename>)</para></listitem>
<listitem><para>GIF (extension: <filename class="extension">.gif</filename>)</para></listitem>
</itemizedlist>
</refsection>
</refentry>

<refentry version="5.0" xml:id="callout.graphics.number.limit">
<refmeta>
<refentrytitle>callout.graphics.number.limit</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.graphics.number.limit</refname>
<refpurpose>Number of the largest callout graphic</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.graphics.number.limit.frag">
&lt;xsl:param name="callout.graphics.number.limit"&gt;15&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>callout.graphics</parameter> is non-zero, graphics
are used to represent callout numbers instead of plain text. The value
of <parameter>callout.graphics.number.limit</parameter> is the largest
number for which a graphic exists. If the callout number exceeds this
limit, the default presentation "(plain text instead of a graphic)"
will  be used.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="callout.graphics.path">
<refmeta>
<refentrytitle>callout.graphics.path</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.graphics.path</refname>
<refpurpose>Path to callout graphics</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.graphics.path.frag">
&lt;xsl:param name="callout.graphics.path"&gt;images/callouts/&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Sets the path to the directory holding the callout graphics. his
location is normally relative to the output html directory. see
base.dir. Always terminate the directory with / since the graphic file
is appended to this string, hence needs the separator.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="callout.graphics">
<refmeta>
<refentrytitle>callout.graphics</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.graphics</refname>
<refpurpose>Use graphics for callouts?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.graphics.frag">
&lt;xsl:param name="callout.graphics" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, callouts are presented with graphics (e.g., reverse-video
circled numbers instead of "(1)", "(2)", etc.).
Default graphics are provided in the distribution.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="callout.list.table">
<refmeta>
<refentrytitle>callout.list.table</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.list.table</refname>
<refpurpose>Present callout lists using a table?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.list.table.frag">
&lt;xsl:param name="callout.list.table" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The default presentation of <tag>calloutlist</tag>s uses
an HTML <tag>DL</tag> element. Some browsers don't align DLs very well
if <parameter>callout.graphics</parameter> is used. With this option
turned on, <tag>calloutlist</tag>s are presented in an HTML
<tag>TABLE</tag>, which usually results in better alignment
of the callout number with the callout description.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="callout.unicode.number.limit">
<refmeta>
<refentrytitle>callout.unicode.number.limit</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.unicode.number.limit</refname>
<refpurpose>Number of the largest unicode callout character</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.unicode.number.limit.frag">
&lt;xsl:param name="callout.unicode.number.limit"&gt;10&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>callout.unicode</parameter>
is non-zero, unicode characters are used to represent
callout numbers. The value of
<parameter>callout.unicode.number.limit</parameter>
is
the largest number for which a unicode character exists. If the callout number
exceeds this limit, the default presentation "(nnn)" will always
be used.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="callout.unicode.start.character">
<refmeta>
<refentrytitle>callout.unicode.start.character</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.unicode.start.character</refname>
<refpurpose>First Unicode character to use, decimal value.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.unicode.start.character.frag">
&lt;xsl:param name="callout.unicode.start.character"&gt;10102&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>callout.graphics</parameter> is zero and <parameter>callout.unicode</parameter>
is non-zero, unicode characters are used to represent
callout numbers. The value of
<parameter>callout.unicode.start.character</parameter>
is the decimal unicode value used for callout number one. Currently, 
only 10102 is supported in the stylesheets for this parameter. 
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="callout.unicode">
<refmeta>
<refentrytitle>callout.unicode</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.unicode</refname>
<refpurpose>Use Unicode characters rather than images for callouts.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callout.unicode.frag">&lt;xsl:param name="callout.unicode" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The stylesheets can use either an image of the numbers one to ten, or the single Unicode character which represents the numeral, in white on a black background. Use this to select the Unicode character option.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="callouts.extension">
<refmeta>
<refentrytitle>callouts.extension</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callouts.extension</refname>
<refpurpose>Enable the callout extension</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="callouts.extension.frag">
&lt;xsl:param name="callouts.extension" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The callouts extension processes <tag>areaset</tag>
elements in <tag>programlistingco</tag> and other text-based
callout elements.
</para>

</refsection>
</refentry>

</reference>
<reference xml:id="ebnf"><title>EBNF</title>
<refentry version="5.0" xml:id="ebnf.table.bgcolor">
<refmeta>
<refentrytitle>ebnf.table.bgcolor</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">color</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ebnf.table.bgcolor</refname>
<refpurpose>Background color for EBNF tables</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="ebnf.table.bgcolor.frag">
&lt;xsl:param name="ebnf.table.bgcolor"&gt;#F5DCB3&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Sets the background color for EBNF tables (a pale brown). No
<tag>bgcolor</tag> attribute is output if
<parameter>ebnf.table.bgcolor</parameter> is set to the null string. </para>


</refsection>
</refentry>

<refentry version="5.0" xml:id="ebnf.table.border">
<refmeta>
<refentrytitle>ebnf.table.border</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ebnf.table.border</refname>
<refpurpose>Selects border on EBNF tables</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="ebnf.table.border.frag">&lt;xsl:param name="ebnf.table.border" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Selects the border on EBNF tables. If non-zero, the tables have
borders, otherwise they don't.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="ebnf.assignment">
<refmeta>
<refentrytitle>ebnf.assignment</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">rtf</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ebnf.assignment</refname>
<refpurpose>The EBNF production assignment operator</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="ebnf.assignment.frag">
&lt;xsl:param name="ebnf.assignment"&gt;
&lt;code&gt;::=&lt;/code&gt;
&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>ebnf.assignment</parameter> parameter determines what
text is used to show <quote>assignment</quote> in <tag>production</tag>s
in <tag>productionset</tag>s.</para>

<para>While <quote><literal>::=</literal></quote> is common, so are several
other operators.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="ebnf.statement.terminator">
<refmeta>
<refentrytitle>ebnf.statement.terminator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">rtf</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ebnf.statement.terminator</refname>
<refpurpose>Punctuation that ends an EBNF statement.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="ebnf.statement.terminator.frag">
&lt;xsl:param name="ebnf.statement.terminator"&gt;&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>ebnf.statement.terminator</parameter> parameter determines what
text is used to terminate each <tag>production</tag>
in <tag>productionset</tag>.</para>

<para>Some notations end each statement with a period.</para>

</refsection>
</refentry>

</reference>
<reference xml:id="toc_index"><title>ToC/LoT/Index Generation</title>
<refentry version="5.0" xml:id="annotate.toc">
<refmeta>
<refentrytitle>annotate.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>annotate.toc</refname>
<refpurpose>Annotate the Table of Contents?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="annotate.toc.frag">&lt;xsl:param name="annotate.toc" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If true, TOCs will be annotated. At present, this just means
that the <tag>refpurpose</tag> of <tag>refentry</tag>
TOC entries will be displayed.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="autotoc.label.separator">
<refmeta>
<refentrytitle>autotoc.label.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>autotoc.label.separator</refname>
<refpurpose>Separator between labels and titles in the ToC</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="autotoc.label.separator.frag">
&lt;xsl:param name="autotoc.label.separator"&gt;. &lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>String used to separate labels and titles in a table of contents.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="autotoc.label.in.hyperlink">
<refmeta>
<refentrytitle>autotoc.label.in.hyperlink</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>autotoc.label.in.hyperlink</refname>
<refpurpose>Include label in hyperlinked titles in TOC?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="autotoc.label.in.hyperlink.frag">&lt;xsl:param name="autotoc.label.in.hyperlink" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If the value of
<parameter>autotoc.label.in.hyperlink</parameter> is non-zero, labels
are included in hyperlinked titles in the TOC. If it is instead zero,
labels are still displayed prior to the hyperlinked titles, but
are not hyperlinked along with the titles.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="process.source.toc">
<refmeta>
<refentrytitle>process.source.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>process.source.toc</refname>
<refpurpose>Process a non-empty <tag>toc</tag> element if it occurs in a source document?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="process.source.toc.frag">&lt;xsl:param name="process.source.toc" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies that the contents of a non-empty "hard-coded"
<tag>toc</tag> element in a source document are processed to
generate a TOC in output.
<note>
  <para>This parameter has no effect on automated generation of
  TOCs. An automated TOC may still be generated along with the
  "hard-coded" TOC. To suppress automated TOC generation, adjust the
  value of the <parameter>generate.toc</parameter> paramameter.</para>

  <para>The <tag>process.source.toc</tag> parameter also has
  no effect if the <tag>toc</tag> element is empty; handling
  for empty <tag>toc</tag> is controlled by the
  <parameter>process.empty.source.toc</parameter> parameter.</para>
</note>
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="process.empty.source.toc">
<refmeta>
<refentrytitle>process.empty.source.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>process.empty.source.toc</refname>
<refpurpose>Generate automated TOC if <tag>toc</tag> element occurs in a source document?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="process.empty.source.toc.frag">&lt;xsl:param name="process.empty.source.toc" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies that if an empty <tag>toc</tag> element is found in a
source document, an automated TOC is generated at this point in the
document.
<note>
  <para>Depending on what the value of the
  <parameter>generate.toc</parameter> parameter is, setting this
  parameter to <literal>1</literal> could result in generation of
  duplicate automated TOCs. So the
  <parameter>process.empty.source.toc</parameter> is primarily useful
  as an "override": by placing an empty <tag>toc</tag> in your
  document and setting this parameter to <literal>1</literal>, you can
  force a TOC to be generated even if <tag>generate.toc</tag>
  says not to.</para>
</note>
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="bridgehead.in.toc">
<refmeta>
<refentrytitle>bridgehead.in.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>bridgehead.in.toc</refname>
<refpurpose>Should bridgehead elements appear in the TOC?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="bridgehead.in.toc.frag">&lt;xsl:param name="bridgehead.in.toc" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, <tag>bridgehead</tag>s appear in the TOC. Note that
this option is not fully supported and may be removed in a future
version of the stylesheets.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="simplesect.in.toc">
<refmeta>
<refentrytitle>simplesect.in.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>simplesect.in.toc</refname>
<refpurpose>Should <tag>simplesect</tag> elements appear in the TOC?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="simplesect.in.toc.frag">&lt;xsl:param name="simplesect.in.toc" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, <tag>simplesect</tag>s will be included in the TOC.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="manual.toc">
<refmeta>
<refentrytitle>manual.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>manual.toc</refname>
<refpurpose>An explicit TOC to be used for the TOC</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="manual.toc.frag">
&lt;xsl:param name="manual.toc"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>manual.toc</parameter> identifies an explicit TOC that
will be used for building the printed TOC.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="toc.list.type">
<refmeta>
<refentrytitle>toc.list.type</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo>
<refmiscinfo class="other" otherclass="value">dl</refmiscinfo>
<refmiscinfo class="other" otherclass="value">ul</refmiscinfo>
<refmiscinfo class="other" otherclass="value">ol</refmiscinfo>
</refmeta>
<refnamediv>
<refname>toc.list.type</refname>
<refpurpose>Type of HTML list element to use for Tables of Contents</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="toc.list.type.frag">&lt;xsl:param name="toc.list.type"&gt;dl&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>When an automatically generated Table of Contents (or List of Titles)
is produced, this HTML element will be used to make the list.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="toc.section.depth">
<refmeta>
<refentrytitle>toc.section.depth</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>toc.section.depth</refname>
<refpurpose>How deep should recursive <tag>section</tag>s appear
in the TOC?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="toc.section.depth.frag">&lt;xsl:param name="toc.section.depth"&gt;2&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the depth to which recursive sections should appear in the
TOC.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="toc.max.depth">
<refmeta>
<refentrytitle>toc.max.depth</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>toc.max.depth</refname>
<refpurpose>How many levels should be created for each TOC?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="toc.max.depth.frag">&lt;xsl:param name="toc.max.depth"&gt;8&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the maximal depth of TOC on all levels.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="generate.toc">
<refmeta>
<refentrytitle>generate.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">table</refmiscinfo>
</refmeta>
<refnamediv>
<refname>generate.toc</refname>
<refpurpose>Control generation of ToCs and LoTs</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="generate.toc.frag">
&lt;xsl:param name="generate.toc"&gt;
appendix  toc,title
article/appendix  nop
article   toc,title
book      toc,title,figure,table,example,equation
chapter   toc,title
part      toc,title
preface   toc,title
qandadiv  toc
qandaset  toc
reference toc,title
sect1     toc
sect2     toc
sect3     toc
sect4     toc
sect5     toc
section   toc
set       toc,title
&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter has a structured value. It is a table of space-delimited
path/value pairs. Each path identifies some element in the source document
using a restricted subset of XPath (only the implicit child axis, no wildcards,
no predicates). Paths can be either relative or absolute.</para>

<para>When processing a particular element, the stylesheets consult this table to
determine if a ToC (or LoT(s)) should be generated.</para>

<para>For example, consider the entry:</para>

<screen>book toc,figure</screen>

<para>This indicates that whenever a <tag>book</tag> is formatted, a
Table Of Contents and a List of Figures should be generated. Similarly,</para>

<screen>/chapter toc</screen>

<para>indicates that whenever a document <emphasis>that has a root
of</emphasis> <tag>chapter</tag> is formatted, a Table of
Contents should be generated. The entry <literal>chapter</literal> would match
all chapters, but <literal>/chapter</literal> matches only <tag>chapter</tag>
document elements.</para>

<para>Generally, the longest match wins. So, for example, if you want to distinguish
articles in books from articles in parts, you could use these two entries:</para>

<screen>book/article toc,figure
part/article toc</screen>

<para>Note that an article in a part can never match a <literal>book/article</literal>,
so if you want nothing to be generated for articles in parts, you can simply leave
that rule out.</para>

<para>If you want to leave the rule in, to make it explicit that you're turning
something off, use the value <quote>nop</quote>. For example, the following
entry disables ToCs and LoTs for articles:</para>

<screen>article nop</screen>

<para>Do not simply leave the word <quote>article</quote> in the file
without a matching value. That'd be just begging the silly little
path/value parser to get confused.</para>

<para>Section ToCs are further controlled by the
<parameter>generate.section.toc.level</parameter> parameter.
For a given section level to have a ToC, it must have both an entry in 
<parameter>generate.toc</parameter> and be within the range enabled by
<parameter>generate.section.toc.level</parameter>.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="generate.section.toc.level">
<refmeta>
<refentrytitle>generate.section.toc.level</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>generate.section.toc.level</refname>
<refpurpose>Control depth of TOC generation in sections</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="generate.section.toc.level.frag">
&lt;xsl:param name="generate.section.toc.level" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>generate.section.toc.level</parameter> parameter
controls the depth of <tag>section</tag> in which TOCs will be generated. Note
that this is related to, but not the same as
<parameter>toc.section.depth</parameter>, which controls the depth to
which TOC entries will be generated in a given TOC.</para>
<para>If, for example, <parameter>generate.section.toc.level</parameter>
is <literal>3</literal>, TOCs will be generated in first, second, and third
level sections, but not in fourth level sections.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="generate.index">
<refmeta>
<refentrytitle>generate.index</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>generate.index</refname>
<refpurpose>Do you want an index?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="generate.index.frag">&lt;xsl:param name="generate.index" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specify if an index should be generated. </para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="index.method">
<refmeta>
<refentrytitle>index.method</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo>
<refmiscinfo class="other" otherclass="value">basic</refmiscinfo>
<refmiscinfo class="other" otherclass="value">kosek</refmiscinfo>
<refmiscinfo class="other" otherclass="value">kimber</refmiscinfo>
</refmeta>
<refnamediv>
<refname>index.method</refname>
<refpurpose>Select method used to group index entries in an index</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="index.method.frag">
&lt;xsl:param name="index.method"&gt;basic&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter lets you select which method to use for sorting and grouping
 index entries in an index.
Indexes in Latin-based languages that have accented characters typically
sort together accented words and unaccented words.
Thus <quote>&#193;</quote> (U+00C1 LATIN CAPITAL LETTER A WITH ACUTE) would sort together
with <quote>A</quote> (U+0041 LATIN CAPITAL LETTER A), so both would appear in the <quote>A</quote>
section of the index.
Languages using other alphabets (such as Russian,  which is written in the Cyrillic alphabet)
and languages using ideographic chararacters (such as Japanese)
require grouping specific to the languages and alphabets.
</para>

<para>The default indexing method is limited.
It can group accented characters in Latin-based languages only.
It cannot handle non-Latin alphabets or ideographic languages.
The other indexing methods require extensions of one type or
another, and do not work with
all XSLT processors, which is why they are not used by default.</para>

<para>The three choices for indexing method are:</para>
<variablelist>
<varlistentry>
<term><literal>basic</literal></term>
<listitem>
<para>
(default)  Sort and groups words based only on the Latin alphabet.
Words with accented Latin letters will group and sort with
their respective primary letter, but
words in non-Latin alphabets will be
put in the <quote>Symbols</quote> section of the index.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>kosek</literal></term>
<listitem>
<para>
This method sorts and groups words based on letter groups configured in
the DocBook locale file for the given language.
See, for example, the French locale file <filename>common/fr.xml</filename>.
This method requires that the XSLT processor
supports the EXSLT extensions (most do).
It also requires support for using 
user-defined functions in xsl:key (xsltproc does not).
</para>
<para>This method is suitable for any language for which you can
list all the individual characters that should appear
in each letter group in an index.
It is probably not practical to use it for ideographic languages
such as Chinese that have hundreds or thousands of characters.
</para>

<para>To use the kosek method, you must:</para>

<orderedlist>
<listitem>
<para>Use a processor that supports its extensions, such as
Saxon 6 or Xalan (xsltproc and Saxon 8 do not).
</para>
</listitem>
<listitem>
<para>Set the index.method parameter's value to <quote>kosek</quote>.
</para>
</listitem>
<listitem>
<para>Import the appropriate index extensions stylesheet module
<filename>fo/autoidx-kosek.xsl</filename> or 
<filename>html/autoidx-kosek.xsl</filename> into your
customization.
</para>
</listitem>
</orderedlist>

</listitem>
</varlistentry>
<varlistentry>
<term><literal>kimber</literal></term>
<listitem>
<para>
This method uses extensions to the Saxon processor to implement
sophisticated indexing processes. It uses its own 
configuration file, which can include information for any number of
languages. Each language's configuration can group
words using one of two processes. In the
enumerated process similar to that used in the kosek method,
you indicate the groupings character-by-character.
In the between-key process, you specify the
break-points in the sort order that should start a new group.
The latter configuration is useful for ideographic languages
such as Chinese, Japanese, and Korean.
You can also define your own collation algorithms and how you
want mixed Latin-alphabet words sorted.</para>
<itemizedlist>
<listitem>
<para>For a whitepaper describing the extensions, see:
<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.innodata-isogen.com/knowledge_center/white_papers/back_of_book_for_xsl_fo.pdf">http://www.innodata-isogen.com/knowledge_center/white_papers/back_of_book_for_xsl_fo.pdf</link>.
</para>
</listitem>
<listitem>
<para>To download the extension library, see
<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.innodata-isogen.com/knowledge_center/tools_downloads/i18nsupport">http://www.innodata-isogen.com/knowledge_center/tools_downloads/i18nsupport</link>.
</para>
</listitem>
</itemizedlist>

<para>To use the kimber method, you must:</para>

<orderedlist>
<listitem>
<para>Use Saxon (version 6 or 8) as your XSLT processor.
</para>
</listitem>
<listitem>
<para>Install and configure the Innodata Isogen library, using
the documentation that comes with it.
</para>
</listitem>
<listitem>
<para>Set the index.method parameter's value to <quote>kimber</quote>.
</para>
</listitem>
<listitem>
<para>Import the appropriate index extensions stylesheet module
<filename>fo/autoidx-kimber.xsl</filename> or 
<filename>html/autoidx-kimber.xsl</filename> into your
customization.
</para>
</listitem>
</orderedlist>

</listitem>
</varlistentry>
</variablelist>

</refsection>
</refentry>

<refentry version="5.0" xml:id="index.on.type">
<refmeta>
<refentrytitle>index.on.type</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>index.on.type</refname>
<refpurpose>Select indexterms based on <tag class="attribute">type</tag>
attribute value</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="index.on.type.frag">
&lt;xsl:param name="index.on.type" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
If non-zero, 
then an <tag>index</tag> element that has a
<tag class="attribute">type</tag> attribute
value will contain only those <tag>indexterm</tag>
elements with a matching <tag class="attribute">type</tag> attribute value.
If an <tag>index</tag> has no <tag class="attribute">type</tag>
attribute or it is blank, then the index will contain
all <tag>indexterm</tag>s in the current scope.
</para>

<para>
If <literal>index.on.type</literal> is zero, then the
<tag class="attribute">type</tag> attribute has no effect
on selecting indexterms for an index.
</para>

<para>For those using DocBook version 4.2 or earlier,
the <tag class="attribute">type</tag> attribute is not available
for index terms.  However, you can achieve the same
effect by using the <tag class="attribute">role</tag> attribute
in the same manner on <tag>indexterm</tag>
and <tag>index</tag>, and setting the stylesheet parameter 
<parameter>index.on.role</parameter> to a nonzero value.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="index.on.role">
<refmeta>
<refentrytitle>index.on.role</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>index.on.role</refname>
<refpurpose>Select indexterms based on <tag class="attribute">role</tag> value</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="index.on.role.frag">
&lt;xsl:param name="index.on.role" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
If non-zero, 
then an <tag>index</tag> element that has a
<tag class="attribute">role</tag> attribute
value will contain only those <tag>indexterm</tag>
elements with a matching role value.
If an <tag>index</tag> has no <tag class="attribute">role</tag>
attribute or it is blank, then the index will contain
all <tag>indexterm</tag>s in the current scope.
</para>
<para>
If <literal>index.on.role</literal> is zero, then the
<tag class="attribute">role</tag> attribute has no effect
on selecting indexterms for an index.
</para>

<para>If you are using DocBook version 4.3 or later, you should
use the <tag class="attribute">type</tag> attribute instead of <tag class="attribute">role</tag>
on <tag>indexterm</tag> and <tag>index</tag>,
and set the <parameter>index.on.type</parameter> to a nonzero
value.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="index.links.to.section">
<refmeta>
<refentrytitle>index.links.to.section</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>index.links.to.section</refname>
<refpurpose>HTML index entries link to container section title</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="index.links.to.section.frag">
&lt;xsl:param name="index.links.to.section" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If zero, then an index entry in an index links
directly to the location of the
generated <tag>anchor</tag> that is output
for the indexterm. If two identical indexterm elements
exist in the same section, then both entries appear
in the index with the same title but link to different
locations.</para>

<para>If non-zero, then an index entry in an index links to the
section title containing the <tag>indexterm</tag>, rather than
directly to the <tag>anchor</tag> output for the indexterm.
Duplicate indexterm entries in the same section are dropped.
</para>

<para>The default value is 1, so index entries link to
section titles by default.</para>

<para>In both cases, the link text in an index entry is the
title of the section containing the indexterm.
That is because HTML does not have numbered pages.
It also provides the reader with context information
for each link.</para>

<para>This parameter lets you choose which style of
index linking you want. </para>

<itemizedlist>
<listitem>
<para>When set to 0, an index entry takes you 
to the precise location of its corresponding indexterm.
However, if you have a lot of duplicate
entries in sections, then you have a lot of duplicate
titles in the index, which makes it more cluttered.
The reader may not recognize why duplicate titles
appear until they follow the links. Also, the links
may land the reader in the middle of a section where the
section title is not visible, which may also be
confusing to the reader.</para>
</listitem>
<listitem>
<para>When set to 1, an index entry link is
less precise, but duplicate titles in the
index entries are eliminated. 
Landing on the section title location may confirm the reader's
expectation that a link that
shows a section title will take them to that section title,
not a location within the section.
</para>
</listitem>
</itemizedlist>

</refsection>
</refentry>

<refentry version="5.0" xml:id="index.prefer.titleabbrev">
<refmeta>
<refentrytitle>index.prefer.titleabbrev</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>index.prefer.titleabbrev</refname>
<refpurpose>Should abbreviated titles be used as back references?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="index.prefer.titleabbrev.frag">
&lt;xsl:param name="index.prefer.titleabbrev" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, and if a <tag>titleabbrev</tag> is defined, the abbreviated title
is used as the link text of a back reference in the index.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="index.term.separator">
<refmeta>
<refentrytitle>index.term.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>index.term.separator</refname>
<refpurpose>Override for punctuation separating an index term 
from its list of page references in an index</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="index.term.separator.frag">
&lt;xsl:param name="index.term.separator"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter permits you to override
the text to insert between
the end of an index term and its list of page references.
Typically that might be a comma and a space.
</para>

<para>Because this text may be locale dependent,
this parameter's value is normally taken from a gentext
template named 'term-separator' in the
context 'index' in the stylesheet
locale file for the language
of the current document.
This parameter can be used to override the gentext string,
and would typically be used on the command line.
This parameter would apply to all languages.
</para>

<para>So this text string can be customized in two ways.
You can reset the default gentext string using
the <parameter>local.l10n.xml</parameter> parameter, or you can
fill in the content for this normally empty 
override parameter.
The content can be a simple string, or it can be
something more complex such as a call-template.
For fo output, it could be an <tag>fo:leader</tag>
element to provide space of a specific length, or a dot leader.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="index.number.separator">
<refmeta>
<refentrytitle>index.number.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>index.number.separator</refname>
<refpurpose>Override for punctuation separating page numbers in index</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="index.number.separator.frag">
&lt;xsl:param name="index.number.separator"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter permits you to override the text to insert between
page references in a formatted index entry.  Typically 
that would be a comma and a space.
</para>

<para>Because this text may be locale dependent,
this parameter's value is normally taken from a gentext
template named 'number-separator' in the
context 'index' in the stylesheet
locale file for the language
of the current document.
This parameter can be used to override the gentext string,
and would typically be used on the command line.
This parameter would apply to all languages.
</para>

<para>So this text string can be customized in two ways.
You can reset the default gentext string using
the <parameter>local.l10n.xml</parameter> parameter, or you can
override the gentext with the content of this parameter.
The content can be a simple string, or it can be
something more complex such as a call-template.
</para>

<para>In HTML index output, section title references are used instead of
page number references.  This punctuation appears between
such section titles in an HTML index.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="index.range.separator">
<refmeta>
<refentrytitle>index.range.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>index.range.separator</refname>
<refpurpose>Override for punctuation separating the two numbers
in a page range in index</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="index.range.separator.frag">
&lt;xsl:param name="index.range.separator"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter permits you
to override the text to insert between
the two numbers of a page range in an index.
This parameter is only used by those XSL-FO processors
that support an extension for generating such page ranges
(such as XEP).</para>

<para>Because this text may be locale dependent,
this parameter's value is normally taken from a gentext
template named 'range-separator' in the
context 'index' in the stylesheet
locale file for the language
of the current document.
This parameter can be used to override the gentext string,
and would typically be used on the command line.
This parameter would apply to all languages.
</para>

<para>So this text string can be customized in two ways.
You can reset the default gentext string using
the <parameter>local.l10n.xml</parameter> parameter, or you can
override the gentext with the content of this parameter.
The content can be a simple string, or it can be
something more complex such as a call-template.
</para>

<para>In HTML index output, section title references are used instead of
page number references. So there are no page ranges
and this parameter has no effect.
</para>

</refsection>
</refentry>

</reference>
<reference xml:id="dbk_ext"><title>Stylesheet Extensions</title>
<refentry version="5.0" xml:id="linenumbering.everyNth">
<refmeta>
<refentrytitle>linenumbering.everyNth</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>linenumbering.everyNth</refname>
<refpurpose>Indicate which lines should be numbered</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="linenumbering.everyNth.frag">
&lt;xsl:param name="linenumbering.everyNth"&gt;5&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If line numbering is enabled, everyNth line will be
numbered. Note that numbering is one based, not zero based.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="linenumbering.extension">
<refmeta>
<refentrytitle>linenumbering.extension</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>linenumbering.extension</refname>
<refpurpose>Enable the line numbering extension</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="linenumbering.extension.frag">
&lt;xsl:param name="linenumbering.extension" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, verbatim environments (<tag>address</tag>, <tag>literallayout</tag>,
<tag>programlisting</tag>, <tag>screen</tag>, <tag>synopsis</tag>) that specify line numbering will
have line numbers.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="linenumbering.separator">
<refmeta>
<refentrytitle>linenumbering.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>linenumbering.separator</refname>
<refpurpose>Specify a separator between line numbers and lines</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="linenumbering.separator.frag">
&lt;xsl:param name="linenumbering.separator"&gt;&lt;xsl:text&gt; &lt;/xsl:text&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The separator is inserted between line numbers and lines in the
verbatim environment. The default value is a single white space.
 Note the interaction with <parameter>linenumbering.width</parameter>
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="linenumbering.width">
<refmeta>
<refentrytitle>linenumbering.width</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>linenumbering.width</refname>
<refpurpose>Indicates the width of line numbers</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="linenumbering.width.frag">
&lt;xsl:param name="linenumbering.width"&gt;3&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If line numbering is enabled, line numbers will appear right
justified in a field "width" characters wide.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="tablecolumns.extension">
<refmeta>
<refentrytitle>tablecolumns.extension</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>tablecolumns.extension</refname>
<refpurpose>Enable the table columns extension function</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="tablecolumns.extension.frag">
&lt;xsl:param name="tablecolumns.extension" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The table columns extension function adjusts the widths of table
columns in the HTML result to more accurately reflect the specifications
in the CALS table.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="textinsert.extension">
  <refmeta>
    <refentrytitle>textinsert.extension</refentrytitle>
    <refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>textinsert.extension</refname>
    <refpurpose>Enables the textinsert extension element</refpurpose>
  </refnamediv>
  <refsynopsisdiv>
    <programlisting xml:id="textinsert.extension.frag">
  &lt;xsl:param name="textinsert.extension" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
  </refsynopsisdiv>
  <refsection><info><title>Description</title></info>
    <para>The textinsert extension element inserts the contents of
      a file into the result tree (as text).</para>
    <note>
      <para>To use the textinsert extension element, you must use
        either Saxon or Xalan as your XSLT processor (it doesn&#8217;t
        work with xsltproc), along with either the DocBook Saxon
        extensions or DocBook Xalan extensions (for more
        information about those extensions, see <link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="InstallingAProcessor.html#SaxonExtensions">DocBook Saxon Extensions</link> and <link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="InstallingAProcessor.html#XalanExtensions">DocBook Xalan Extensions</link>), and you must set both
        the <parameter>use.extensions</parameter> and
        <parameter>textinsert.extension</parameter> parameters to
        <literal>1</literal>.</para>
      <para>As an alternative to using the textinsert element,
        consider using an Xinclude element with the
        <literal>parse="text"</literal> attribute and value
        specified, as detailed in <link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="ExternalCode.html#XIncludeCode">Using XInclude for text inclusions</link>.</para>
    </note>
  </refsection>
  <refsection><info><title>See Also</title></info>
    <para>You can also use the <tag class="xmlpi">dbhtml-include&#160;href</tag> processing
      instruction to insert external files &#8212; both files containing
      plain text and files with markup content (including HTML
      content).</para>
  </refsection>
  <refsection><info><title>More information</title></info>
    <para>For how-to documentation on inserting contents of
      external code files and other text files into output, see
      <link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="ExternalCode.html">External code files</link>.</para>
    <para>For guidelines on inserting contents of
      HTML files into output, see <link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="InsertExtHtml.html">Inserting external HTML code</link>.</para>
  </refsection>
</refentry>

<refentry version="5.0" xml:id="textdata.default.encoding">
<refmeta>
<refentrytitle>textdata.default.encoding</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>textdata.default.encoding</refname>
<refpurpose>Default encoding of external text files which are included
using textdata element</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="textdata.default.encoding.frag">
&lt;xsl:param name="textdata.default.encoding"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the encoding of any external text files included using
<tag>textdata</tag> element. This value is used only when you do
not specify encoding by the appropriate attribute 
directly on textdata. An empty string is interpreted as the system
default encoding.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="graphicsize.extension">
<refmeta>
<refentrytitle>graphicsize.extension</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>graphicsize.extension</refname>
<refpurpose>Enable the getWidth()/getDepth() extension functions</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="graphicsize.extension.frag">
&lt;xsl:param name="graphicsize.extension" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero (and if <parameter>use.extensions</parameter> is non-zero
and if you're using a processor that supports extension functions), the
<function>getWidth</function> and <function>getDepth</function> functions
will be used to extract image sizes from graphics.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="graphicsize.use.img.src.path">
<refmeta>
<refentrytitle>graphicsize.use.img.src.path</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>graphicsize.use.img.src.path</refname>
<refpurpose>Prepend <parameter>img.src.path</parameter> before
filenames passed to extension functions</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="graphicsize.use.img.src.path.frag">
&lt;xsl:param name="graphicsize.use.img.src.path" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero <parameter>img.src.path</parameter> parameter will
be appended before filenames passed to extension functions for
measuring image dimensions.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="use.extensions">
<refmeta>
<refentrytitle>use.extensions</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>use.extensions</refname>
<refpurpose>Enable extensions</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="use.extensions.frag">
&lt;xsl:param name="use.extensions" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, extensions may be used. Each extension is
further controlled by its own parameter. But if
<parameter>use.extensions</parameter> is zero, no extensions will
be used.
</para>

</refsection>
</refentry>

</reference>
<reference xml:id="labels"><title>Automatic labelling</title>
<refentry version="5.0" xml:id="chapter.autolabel">
<refmeta>
<refentrytitle>chapter.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">0<alt>none</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">1<alt>1,2,3...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">A<alt>A,B,C...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">a<alt>a,b,c...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">i<alt>i,ii,iii...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">I<alt>I,II,III...</alt></refmiscinfo>
</refmeta>
<refnamediv>
<refname>chapter.autolabel</refname>
<refpurpose>Specifies the labeling format for Chapter titles</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chapter.autolabel.frag">
&lt;xsl:param name="chapter.autolabel" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, then chapters will be numbered using the parameter
value as the number format if the value matches one of the following:
</para>

<variablelist>
  <varlistentry>
    <term>1 or arabic</term>
    <listitem>
      <para>Arabic numeration (1, 2, 3 ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>A or upperalpha</term>
    <listitem>
      <para>Uppercase letter numeration (A, B, C ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>a or loweralpha</term>
    <listitem>
      <para>Lowercase letter numeration (a, b, c ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>I or upperroman</term>
    <listitem>
      <para>Uppercase roman numeration (I, II, III ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>i or lowerroman</term>
    <listitem>
      <para>Lowercase roman letter numeration (i, ii, iii ...).</para>
    </listitem>
  </varlistentry>
</variablelist>

<para>Any nonzero value other than the above will generate
the default number format (arabic).
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="appendix.autolabel">
<refmeta>
<refentrytitle>appendix.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">0<alt>none</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">1<alt>1,2,3...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">A<alt>A,B,C...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">a<alt>a,b,c...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">i<alt>i,ii,iii...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">I<alt>I,II,III...</alt></refmiscinfo>
</refmeta>
<refnamediv>
<refname>appendix.autolabel</refname>
<refpurpose>Specifies the labeling format for Appendix titles</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="appendix.autolabel.frag">
&lt;xsl:param name="appendix.autolabel"&gt;A&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, then appendices will be numbered using the
parameter value as the number format if the value matches one of the
following:
</para>

<variablelist>
  <varlistentry>
    <term>1 or arabic</term>
    <listitem>
      <para>Arabic numeration (1, 2, 3 ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>A or upperalpha</term>
    <listitem>
      <para>Uppercase letter numeration (A, B, C ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>a or loweralpha</term>
    <listitem>
      <para>Lowercase letter numeration (a, b, c ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>I or upperroman</term>
    <listitem>
      <para>Uppercase roman numeration (I, II, III ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>i or lowerroman</term>
    <listitem>
      <para>Lowercase roman letter numeration (i, ii, iii ...).</para>
    </listitem>
  </varlistentry>
</variablelist>

<para>Any nonzero value other than the above will generate
the default number format (upperalpha).
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="part.autolabel">
<refmeta>
<refentrytitle>part.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">0<alt>none</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">1<alt>1,2,3...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">A<alt>A,B,C...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">a<alt>a,b,c...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">i<alt>i,ii,iii...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">I<alt>I,II,III...</alt></refmiscinfo>
</refmeta>
<refnamediv>
<refname>part.autolabel</refname>
<refpurpose>Specifies the labeling format for Part titles</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="part.autolabel.frag">
&lt;xsl:param name="part.autolabel"&gt;I&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, then parts will be numbered using the parameter
value as the number format if the value matches one of the following:
</para>

<variablelist>
  <varlistentry>
    <term>1 or arabic</term>
    <listitem>
      <para>Arabic numeration (1, 2, 3 ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>A or upperalpha</term>
    <listitem>
      <para>Uppercase letter numeration (A, B, C ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>a or loweralpha</term>
    <listitem>
      <para>Lowercase letter numeration (a, b, c ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>I or upperroman</term>
    <listitem>
      <para>Uppercase roman numeration (I, II, III ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>i or lowerroman</term>
    <listitem>
      <para>Lowercase roman letter numeration (i, ii, iii ...).</para>
    </listitem>
  </varlistentry>
</variablelist>

<para>Any nonzero value other than the above will generate
the default number format (upperroman).
</para>


</refsection>
</refentry>

<refentry version="5.0" xml:id="reference.autolabel">
<refmeta>
<refentrytitle>reference.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">0<alt>none</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">1<alt>1,2,3...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">A<alt>A,B,C...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">a<alt>a,b,c...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">i<alt>i,ii,iii...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">I<alt>I,II,III...</alt></refmiscinfo>
</refmeta>
<refnamediv>
<refname>reference.autolabel</refname>
<refpurpose>Specifies the labeling format for Reference titles</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="reference.autolabel.frag">
  &lt;xsl:param name="reference.autolabel"&gt;I&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>If non-zero, references will be numbered using the parameter
  value as the number format if the value matches one of the
  following:
</para>
<variablelist>
  <varlistentry>
    <term>1 or arabic</term>
    <listitem>
      <para>Arabic numeration (1, 2, 3 ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>A or upperalpha</term>
    <listitem>
      <para>Uppercase letter numeration (A, B, C ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>a or loweralpha</term>
    <listitem>
      <para>Lowercase letter numeration (a, b, c ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>I or upperroman</term>
    <listitem>
      <para>Uppercase roman numeration (I, II, III ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>i or lowerroman</term>
    <listitem>
      <para>Lowercase roman letter numeration (i, ii, iii ...).</para>
    </listitem>
  </varlistentry>
</variablelist>
<para>Any non-zero value other than the above will generate
the default number format (upperroman).
</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="preface.autolabel">
<refmeta>
<refentrytitle>preface.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">0<alt>none</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">1<alt>1,2,3...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">A<alt>A,B,C...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">a<alt>a,b,c...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">i<alt>i,ii,iii...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">I<alt>I,II,III...</alt></refmiscinfo>
</refmeta>
<refnamediv>
<refname>preface.autolabel</refname>
<refpurpose>Specifices the labeling format for Preface titles</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="preface.autolabel.frag">&lt;xsl:param name="preface.autolabel" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero then prefaces will be numbered using the parameter
value as the number format if the value matches one of the following:
</para>

<variablelist>
  <varlistentry>
    <term>1 or arabic</term>
    <listitem>
      <para>Arabic numeration (1, 2, 3 ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>A or upperalpha</term>
    <listitem>
      <para>Uppercase letter numeration (A, B, C ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>a or loweralpha</term>
    <listitem>
      <para>Lowercase letter numeration (a, b, c ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>I or upperroman</term>
    <listitem>
      <para>Uppercase roman numeration (I, II, III ...).</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>i or lowerroman</term>
    <listitem>
      <para>Lowercase roman letter numeration (i, ii, iii ...).</para>
    </listitem>
  </varlistentry>
</variablelist>

<para>Any nonzero value other than the above will generate
the default number format (arabic).
</para>


</refsection>
</refentry>

<refentry version="5.0" xml:id="qandadiv.autolabel">
<refmeta>
<refentrytitle>qandadiv.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>qandadiv.autolabel</refname>
<refpurpose>Are divisions in QAndASets enumerated?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="qandadiv.autolabel.frag">&lt;xsl:param name="qandadiv.autolabel" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, unlabeled qandadivs will be enumerated.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="section.autolabel">
<refmeta>
<refentrytitle>section.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>section.autolabel</refname>
<refpurpose>Are sections enumerated?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="section.autolabel.frag">&lt;xsl:param name="section.autolabel" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If true (non-zero), unlabeled sections will be enumerated.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="section.autolabel.max.depth">
<refmeta>
<refentrytitle>section.autolabel.max.depth</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>section.autolabel.max.depth</refname>
<refpurpose>The deepest level of sections that are numbered.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="section.autolabel.max.depth.frag">
&lt;xsl:param name="section.autolabel.max.depth"&gt;8&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>When section numbering is turned on by the
<parameter>section.autolabel</parameter> parameter, then this
parameter controls the depth of <tag>section</tag> nesting that is
numbered.  Sections nested to a level deeper than this value will not
be numbered.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="section.label.includes.component.label">
<refmeta>
<refentrytitle>section.label.includes.component.label</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>section.label.includes.component.label</refname>
<refpurpose>Do section labels include the component label?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="section.label.includes.component.label.frag">&lt;xsl:param name="section.label.includes.component.label" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, section labels are prefixed with the label of the
component that contains them.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="label.from.part">
<refmeta>
<refentrytitle>label.from.part</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>label.from.part</refname>
<refpurpose>Renumber components in each part?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="label.from.part.frag">
&lt;xsl:param name="label.from.part" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>label.from.part</parameter> is non-zero, then
  numbering of components &#8212; <tag>preface</tag>,
  <tag>chapter</tag>, <tag>appendix</tag>, and
  <tag>reference</tag> (when <tag>reference</tag> occurs at the
  component level) &#8212; is re-started within each
  <tag>part</tag>.</para>
<para>If <parameter>label.from.part</parameter> is zero (the
  default), numbering of components is <emphasis>not</emphasis>
  re-started within each <tag>part</tag>; instead, components are
  numbered sequentially throughout each <tag>book</tag>,
  regardless of whether or not they occur within <tag>part</tag>
  instances.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="component.label.includes.part.label">
<refmeta>
<refentrytitle>component.label.includes.part.label</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>component.label.includes.part.label</refname>
<refpurpose>Do component labels include the part label?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="component.label.includes.part.label.frag">&lt;xsl:param name="component.label.includes.part.label" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, number labels for <tag>chapter</tag>,
<tag>appendix</tag>, and other component elements are prefixed with
the label of the part element that contains them.  So you might see
Chapter II.3 instead of Chapter 3.  Also, the labels for formal
elements such as <tag>table</tag> and <tag>figure</tag> will include
the part label.  If there is no part element container, then no prefix
is generated.
</para>
<para>
This feature is most useful when the
<parameter>label.from.part</parameter> parameter is turned on.
In that case, there would be more than one <tag>chapter</tag>
<quote>1</quote>, and the extra part label prefix will identify
each chapter unambiguously.
</para>

</refsection>
</refentry>

</reference>

<reference xml:id="html"><title>HTML</title>
<refentry version="5.0" xml:id="html.base">
<refmeta>
<refentrytitle>html.base</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.base</refname>
<refpurpose>An HTML base URI</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.base.frag">
&lt;xsl:param name="html.base"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If html.base is set, it is used for the <tag>base</tag> element
in the <tag>head</tag> of the html documents.  The parameter specifies
the base URL for all relative URLs in the document.  This is useful
for dynamically served html where the base URI needs to be
shifted.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.stylesheet.type">
<refmeta>
<refentrytitle>html.stylesheet.type</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.stylesheet.type</refname>
<refpurpose>The type of the stylesheet used in the generated HTML</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.stylesheet.type.frag">&lt;xsl:param name="html.stylesheet.type"&gt;text/css&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The type of the stylesheet to place in the HTML <tag>link</tag> tag.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.stylesheet">
<refmeta>
<refentrytitle>html.stylesheet</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.stylesheet</refname>
<refpurpose>Name of the stylesheet(s) to use in the generated HTML</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.stylesheet.frag">
&lt;xsl:param name="html.stylesheet"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>html.stylesheet</parameter> parameter is either
empty, indicating that no stylesheet <tag>link</tag> tag should be
generated in the html output, or it is a list of one or more
stylesheet files.</para>

<para>Multiple stylesheets are space-delimited. If you need to
reference a stylesheet URI that includes a space, encode it with
<literal>%20</literal>. A separate html <literal>link</literal> element will
be generated for each stylesheet in the order they are listed in the
parameter.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="css.decoration">
<refmeta>
<refentrytitle>css.decoration</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>css.decoration</refname>
<refpurpose>Enable CSS decoration of elements</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="css.decoration.frag">
&lt;xsl:param name="css.decoration" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
If non-zero, then html elements produced by the stylesheet may be
decorated with <literal>style</literal> attributes.  For example, the
<literal>li</literal> tags produced for list items may include a
fragment of CSS in the <literal>style</literal> attribute which sets
the CSS property "list-style-type".
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="spacing.paras">
<refmeta>
<refentrytitle>spacing.paras</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>spacing.paras</refname>
<refpurpose>Insert additional &lt;p&gt; elements for spacing?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="spacing.paras.frag">
&lt;xsl:param name="spacing.paras" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>When non-zero, additional, empty paragraphs are inserted in
several contexts (for example, around informal figures), to create a
more pleasing visual appearance in many browsers.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="emphasis.propagates.style">
<refmeta>
<refentrytitle>emphasis.propagates.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>emphasis.propagates.style</refname>
<refpurpose>Pass emphasis role attribute through to HTML?</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="emphasis.propagates.style.frag">
&lt;xsl:param name="emphasis.propagates.style" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>If non-zero, the <literal>role</literal> attribute of
<tag>emphasis</tag> elements will be passed through to the HTML as a
class attribute on a <literal>span</literal> that surrounds the
emphasis.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="para.propagates.style">
<refmeta>
<refentrytitle>para.propagates.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>para.propagates.style</refname>
<refpurpose>Pass para role attribute through to HTML?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="para.propagates.style.frag">
&lt;xsl:param name="para.propagates.style" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If true, the role attribute of <tag>para</tag> elements
will be passed through to the HTML as a class attribute on the
<tag>p</tag> generated for the paragraph.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="phrase.propagates.style">
<refmeta>
<refentrytitle>phrase.propagates.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>phrase.propagates.style</refname>
<refpurpose>Pass phrase role attribute through to HTML?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="phrase.propagates.style.frag">
&lt;xsl:param name="phrase.propagates.style" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the role attribute of <tag>phrase</tag> elements
will be passed through to the HTML as a <literal>class</literal>
attribute on a <literal>span</literal> that surrounds the
phrase.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="entry.propagates.style">
<refmeta>
<refentrytitle>entry.propagates.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>entry.propagates.style</refname>
<refpurpose>Pass entry role attribute through to HTML?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="entry.propagates.style.frag">
&lt;xsl:param name="entry.propagates.style" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If true, the role attribute of <tag>entry</tag> elements
will be passed through to the HTML as a class attribute on the
<tag>td</tag> or <tag>th</tag> generated for the table
cell.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.longdesc">
<refmeta>
<refentrytitle>html.longdesc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.longdesc</refname>
<refpurpose>Should longdesc URIs be created?</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="html.longdesc.frag">
&lt;xsl:param name="html.longdesc" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>If non-zero, HTML files will be created for the
<literal>longdesc</literal> attribute. These files
are created from the <tag>textobject</tag>s in
<tag>mediaobject</tag>s and
<tag>inlinemediaobject</tag>.
</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="html.longdesc.link">
<refmeta>
<refentrytitle>html.longdesc.link</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.longdesc.link</refname>
<refpurpose>Should a link to the longdesc be included in the HTML?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.longdesc.link.frag">
&lt;xsl:param name="html.longdesc.link" select="$html.longdesc"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, links will be created to the
HTML files created for the
<literal>longdesc</literal> attribute. It makes no
sense to enable this option without also enabling the
<parameter>html.longdesc</parameter> parameter.</para>



</refsection>
</refentry>

<refentry version="5.0" xml:id="make.valid.html">
<refmeta>
<refentrytitle>make.valid.html</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>make.valid.html</refname>
<refpurpose>Attempt to make sure the HTML output is valid HTML</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="make.valid.html.frag">
&lt;xsl:param name="make.valid.html" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>make.valid.html</parameter> is true, the stylesheets take
extra effort to ensure that the resulting HTML is valid. This may mean that some
<tag>para</tag> tags are translated into HTML <tag>div</tag>s or
that other substitutions occur.</para>

<para>This parameter is different from <parameter>html.cleanup</parameter>
because it changes the resulting markup; it does not use extension functions
to manipulate result-tree-fragments and is therefore applicable to any
XSLT processor.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.cleanup">
<refmeta>
<refentrytitle>html.cleanup</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.cleanup</refname>
<refpurpose>Attempt to clean up the resulting HTML?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.cleanup.frag">
&lt;xsl:param name="html.cleanup" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, and if the <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.exslt.org/">EXSLT</link>
extensions are supported by your processor, the resulting HTML will be
<quote>cleaned up</quote>. This improves the chances that the
resulting HTML will be valid. It may also improve the formatting of
some elements.</para>

<para>This parameter is different from <parameter>make.valid.html</parameter>
because it uses extension functions to manipulate result-tree-fragments.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.append">
<refmeta>
<refentrytitle>html.append</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.append</refname>
<refpurpose>Specifies content to append to HTML output</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.append.frag">&lt;xsl:param name="html.append"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies content to append to the end of HTML files output by
the <filename>html/docbook.xsl</filename> stylesheet, after the
closing <code>&lt;html&gt;</code> tag. You probably don&#8217;t want to set any
value for this parameter; but if you do, the only value it should ever
be set to is a newline character: <code>&amp;#x0a;</code> or
<code>&amp;#10;</code></para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="draft.mode">
<refmeta>
<refentrytitle>draft.mode</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo>
<refmiscinfo class="other" otherclass="value">no</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">yes</refmiscinfo>
<refmiscinfo class="other" otherclass="value">maybe</refmiscinfo>
</refmeta>
<refnamediv>
<refname>draft.mode</refname>
<refpurpose>Select draft mode</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="draft.mode.frag">
&lt;xsl:param name="draft.mode"&gt;no&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Selects draft mode. If <parameter>draft.mode</parameter> is
<quote><literal>yes</literal></quote>, the entire document will be treated
as a draft. If it is <quote><literal>no</literal></quote>, the entire document
will be treated as a final copy. If it is <quote><literal>maybe</literal></quote>,
individual sections will be treated as draft or final independently, depending
on how their <literal>status</literal> attribute is set.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="draft.watermark.image">
<refmeta>
<refentrytitle>draft.watermark.image</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
</refmeta>
<refnamediv>
<refname>draft.watermark.image</refname>
<refpurpose>The URI of the image to be used for draft watermarks</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="draft.watermark.image.frag">
&lt;xsl:param name="draft.watermark.image"&gt;images/draft.png&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The image to be used for draft watermarks.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="generate.id.attributes">
<refmeta>
<refentrytitle>generate.id.attributes</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>generate.id.attributes</refname>
<refpurpose>Generate ID attributes on container elements?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="generate.id.attributes.frag">
&lt;xsl:param name="generate.id.attributes" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the HTML stylesheet will generate ID attributes on
containers. For example, the markup:</para>

<screen>&lt;section id="foo"&gt;&lt;title&gt;Some Title&lt;/title&gt;
&lt;para&gt;Some para.&lt;/para&gt;
&lt;/section&gt;</screen>

<para>might produce:</para>

<screen>&lt;div class="section" id="foo"&gt;
&lt;h2&gt;Some Title&lt;/h2&gt;
&lt;p&gt;Some para.&lt;/p&gt;
&lt;/div&gt;</screen>

<para>The alternative is to generate anchors:</para>

<screen>&lt;div class="section"&gt;
&lt;h2&gt;&lt;a name="foo"&gt;&lt;/a&gt;Some Title&lt;/h2&gt;
&lt;p&gt;Some para.&lt;/p&gt;
&lt;/div&gt;</screen>

<para>Because the <tag class="attribute">name</tag> attribute of
the <tag>a</tag> element and the <tag class="attribute">id</tag>
attribute of other tags are both of type <quote>ID</quote>, producing both
generates invalid documents.</para>

<para>As of version 1.50, you can use this switch to control which type of
identifier is generated. For backwards-compatibility, generating
<tag>a</tag> anchors is preferred.</para>

<para>Note: at present, this switch is incompletely implemented.
Disabling ID attributes will suppress them, but enabling ID attributes
will not suppress the anchors.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="generate.meta.abstract">
<refmeta>
<refentrytitle>generate.meta.abstract</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>generate.meta.abstract</refname>
<refpurpose>Generate HTML <tag>META</tag> element from <tag>abstract</tag>?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="generate.meta.abstract.frag">
&lt;xsl:param name="generate.meta.abstract" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, document abstracts will be reproduced in the HTML
<literal>head</literal>, with <literal>&gt;meta name="description" content="..."</literal></para>


</refsection>
</refentry>

<refentry version="5.0" xml:id="make.clean.html">
<refmeta>
<refentrytitle>make.clean.html</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>make.clean.html</refname>
<refpurpose>Make HTML conform to modern coding standards</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="make.clean.html.frag">
&lt;xsl:param name="make.clean.html" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>make.clean.html</parameter> is true, the stylesheets take
extra effort to ensure that the resulting HTML is conforms to
modern HTML coding standards.  In addition to eliminating
excessive and noncompliant coding, it moves presentation
HTML coding to a CSS stylesheet.</para>

<para>The resulting HTML is dependent on
CSS for formatting, and so the stylesheet is capable of
generating a supporting CSS file. The <parameter>docbook.css.source</parameter>
and <parameter>custom.css.source</parameter> parameters control
how a CSS file is generated.</para>

<para>If you require your CSS to reside in the HTML 
<tag>head</tag> element, then the <parameter>generate.css.header</parameter>
can be used to do that.</para>

<para>The <parameter>make.clean.html</parameter> parameter is
different from <parameter>html.cleanup</parameter>
because the former changes the resulting markup; it does not use extension functions
like the latter to manipulate result-tree-fragments,
and is therefore applicable to any XSLT processor.</para>

<para>If <parameter>make.clean.html</parameter> is set to zero (the default),
then the stylesheet retains its original 
<quote>old style</quote>
HTML formatting features.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="docbook.css.source">
  <refmeta>
    <refentrytitle>docbook.css.source</refentrytitle>
    <refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>docbook.css.source</refname>
    <refpurpose>Name of the default CSS input file</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <programlisting xml:id="docbook.css.source.frag">&lt;xsl:param name="docbook.css.source"&gt;docbook.css.xml&lt;/xsl:param&gt;</programlisting>
  </refsynopsisdiv>

  <refsection><info><title>Description</title></info>

<para>The <parameter>docbook.css.source</parameter> parameter
specifies the name of the file containing the default DocBook
CSS styles.  Those styles are necessary when the
<parameter>make.clean.html</parameter> parameter is nonzero.</para>

<para>The file is a well-formed XML file that
must consist of a single <tag>style</tag> root
element that contains CSS styles as its text content.
The default value of the parameter (and filename)
is <literal>docbook.css.xml</literal>.
The stylesheets ship with the default file. You can substitute
your own and specify its path in this parameter.</para>

<para>If <parameter>docbook.css.source</parameter> is not blank,
and <parameter>make.clean.html</parameter> is nonzero, then
the stylesheet takes the following actions:</para>

<orderedlist>
  <listitem>
    <para>The stylesheet uses the XSLT <literal>document()</literal>
    function to open the file specified by the parameter and
    load it into a variable.</para>
  </listitem>
  <listitem>
    <para>The stylesheet forms an output pathname consisting of the
    value of the <parameter>base.dir</parameter> parameter (if it is set)
    and the value of <parameter>docbook.css.source</parameter>,
    with the <literal>.xml</literal> suffix stripped off.
    </para>
  </listitem>
  <listitem>
    <para>The stylesheet removes the <tag>style</tag>
    wrapper element and writes just the CSS text content to the output file.</para>
  </listitem>
  <listitem>
    <para>The stylesheet adds a <tag>link</tag> element to the
    HTML <tag>HEAD</tag> element to reference the external CSS stylesheet.
    For example:</para>
    <programlisting>&lt;link rel="stylesheet" href="docbook.css" type="text/css"&gt;
    </programlisting>
    <para>However, if the <parameter>docbook.css.link</parameter>
    parameter is set to zero, then no <tag>link</tag> is written
    for the default CSS file.  That is useful if a custom
    CSS file will import the default CSS stylesheet to ensure
    proper cascading of styles.</para>
  </listitem>
</orderedlist>

<para>If the <parameter>docbook.css.source</parameter> parameter
is changed from its default <literal>docbook.css.xml</literal> to blank,
then no default CSS is generated. Likewise if the
<parameter>make.clean.html</parameter> parameter is set to zero,
then no default CSS is generated. The 
<parameter>custom.css.source</parameter> parameter can be used
instead to generate a complete custom CSS file.</para>

<para>You can use the <parameter>generate.css.header</parameter>
parameter to instead write the CSS to each HTML <tag>HEAD</tag>
element in a <tag>style</tag> tag instead of an external CSS file.</para>

  </refsection>
</refentry>

<refentry version="5.0" xml:id="docbook.css.link">
<refmeta>
<refentrytitle>docbook.css.link</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>docbook.css.link</refname>
<refpurpose>Insert a link referencing the default CSS stylesheet</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="docbook.css.link.frag">
&lt;xsl:param name="docbook.css.link" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The stylesheets are capable of generating a default
CSS stylesheet file.  The parameters 
<parameter>make.clean.html</parameter> and
<parameter>docbook.css.source</parameter> control that feature.</para>

<para>Normally if a default CSS file is generated, then 
the stylesheet inserts a <tag>link</tag> tag in the HTML
<tag>HEAD</tag> element to reference it.
However, you can omit that <tag>link</tag> reference if
you set the <parameter>docbook.css.link</parameter> to zero
(1 is the default).</para>

<para>This parameter is useful when you want to import the 
default CSS into a custom CSS file generated using the
<parameter>custom.css.source</parameter> parameter.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="custom.css.source">
  <refmeta>
    <refentrytitle>custom.css.source</refentrytitle>
    <refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>custom.css.source</refname>
    <refpurpose>Name of a custom CSS input file</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <programlisting xml:id="custom.css.source.frag">&lt;xsl:param name="custom.css.source"&gt;&lt;/xsl:param&gt;</programlisting>
  </refsynopsisdiv>

  <refsection><info><title>Description</title></info>

<para>The <parameter>custom.css.source</parameter>
parameter enables you to add CSS styles to DocBook's
HTML output.</para>

<para>The parameter
specifies the name of a file containing custom
CSS styles.  The file must be a well-formed XML file that
consists of a single <tag>style</tag> root
element that contains CSS styles as its text content.
For example:</para>
<programlisting>&lt;?xml version="1.0"?&gt;
&lt;style&gt;
h2 {
  font-weight: bold;
  color: blue;
}
...
&lt;/style&gt;
</programlisting>

<para>The filename specified by the parameter
should have a <literal>.xml</literal>
filename suffix, although that is not required.
The default value of this parameter is blank.</para>

<para>If <parameter>custom.css.source</parameter> is not blank, then
the stylesheet takes the following actions.
These actions take place regardless of the value of
the <parameter>make.clean.html</parameter> parameter.</para>

<orderedlist>
  <listitem>
    <para>The stylesheet uses the XSLT <literal>document()</literal>
    function to open the file specified by the parameter and
    load it into a variable.</para>
  </listitem>
  <listitem>
    <para>The stylesheet forms an output pathname consisting of the
    value of the <parameter>base.dir</parameter> parameter (if it is set)
    and the value of <parameter>custom.css.source</parameter>,
    with the <literal>.xml</literal> suffix stripped off.
    </para>
  </listitem>
  <listitem>
    <para>The stylesheet removes the <tag>style</tag>
    wrapper element and writes just the CSS text content to the output file.</para>
  </listitem>
  <listitem>
    <para>The stylesheet adds a <tag>link</tag> element to the
    HTML <tag>HEAD</tag> element to reference this external CSS stylesheet.
    For example:
    <programlisting>&lt;link rel="stylesheet" href="custom.css" type="text/css"&gt;
    </programlisting>
    </para>
  </listitem>
</orderedlist>



<para>If the <parameter>make.clean.html</parameter> parameter is nonzero
(the default is zero),
and if the <parameter>docbook.css.source</parameter> parameter
is not blank (the default is not blank),
then the stylesheet will also generate a default CSS file
and add a <tag>link</tag> tag to reference it.
The <tag>link</tag> to the custom CSS comes after the 
<tag>link</tag> to the default, so it should cascade properly
in most browsers.
If you do not want two <tag>link</tag> tags, and
instead want your custom CSS to import the default generated
CSS file, then do the following:
</para>

<orderedlist>
  <listitem>
    <para>Add a line like the following to your custom CSS source file:</para>
    <programlisting>@import url("docbook.css")
    </programlisting>
  </listitem>
  <listitem>
    <para>Set the <parameter>docbook.css.link</parameter> parameter 
    to zero. This will omit the <tag>link</tag> tag
    that references the default CSS file.</para>
  </listitem>
</orderedlist>

<para>If you set <parameter>make.clean.html</parameter> to nonzero but
you do not want the default CSS generated, then also set
the <parameter>docbook.css.source</parameter> parameter to blank.
Then no default CSS will be generated, and so
all CSS styles must come from your custom CSS file.</para>

<para>You can use the <parameter>generate.css.header</parameter>
parameter to instead write the CSS to each HTML <tag>HEAD</tag>
element in a <tag>style</tag> tag instead of an external CSS file.</para>

  </refsection>
</refentry>

<refentry version="5.0" xml:id="generate.css.header">
<refmeta>
<refentrytitle>generate.css.header</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>generate.css.header</refname>
<refpurpose>Insert generated CSS styles in HEAD element</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="generate.css.header.frag">
&lt;xsl:param name="generate.css.header" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The stylesheets are capable of generating both default
and custom CSS stylesheet files.  The parameters 
<parameter>make.clean.html</parameter>,
<parameter>docbook.css.source</parameter>, and
<parameter>custom.css.source</parameter> control that feature.</para>

<para>If you require that CSS styles reside in the HTML 
<tag>HEAD</tag> element instead of external CSS files,
then set the <parameter>generate.css.header</parameter>
parameter to nonzero (it is zero by default).
Then instead of generating the CSS in external files,
they are wrapped in <tag>style</tag> elements in
the <tag>HEAD</tag> element of each HTML output file.
</para>

</refsection>
</refentry>

</reference>
<reference xml:id="xslt"><title>XSLT Processing</title>
<refentry version="5.0" xml:id="rootid">
<refmeta>
<refentrytitle>rootid</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>rootid</refname>
<refpurpose>Specify the root element to format</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="rootid.frag">
&lt;xsl:param name="rootid"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>rootid</parameter> is not empty, it must be the
value of an ID that occurs in the document being formatted. The entire
document will be loaded and parsed, but formatting will begin at the
element identified, rather than at the root. For example, this allows
you to process only <tag>chapter</tag> 4 of a <tag>book</tag>.</para>
<para>Because the entire document is available to the processor, automatic
numbering, cross references, and other dependencies are correctly
resolved.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="suppress.navigation">
<refmeta>
<refentrytitle>suppress.navigation</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>suppress.navigation</refname>
<refpurpose>Disable header and footer navigation</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="suppress.navigation.frag">
&lt;xsl:param name="suppress.navigation" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
If non-zero, header and footer navigation will be suppressed.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="suppress.header.navigation">
<refmeta>
<refentrytitle>suppress.header.navigation</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>suppress.header.navigation</refname>
<refpurpose>Disable header navigation</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="suppress.header.navigation.frag">
&lt;xsl:param name="suppress.header.navigation" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, header navigation will be suppressed.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="suppress.footer.navigation">
<refmeta>
<refentrytitle>suppress.footer.navigation</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>suppress.footer.navigation</refname>
<refpurpose>Disable footer navigation</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="suppress.footer.navigation.frag">&lt;xsl:param name="suppress.footer.navigation"&gt;0&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
If non-zero, footer navigation will be suppressed.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="header.rule">
<refmeta>
<refentrytitle>header.rule</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>header.rule</refname>
<refpurpose>Rule under headers?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="header.rule.frag">
&lt;xsl:param name="header.rule" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, a rule will be drawn below the page headers.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="footer.rule">
<refmeta>
<refentrytitle>footer.rule</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>footer.rule</refname>
<refpurpose>Rule over footers?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="footer.rule.frag">
&lt;xsl:param name="footer.rule" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, a rule will be drawn above the page footers.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="id.warnings">
<refmeta>
<refentrytitle>id.warnings</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>id.warnings</refname>
<refpurpose>Should warnings be generated for titled elements without IDs?</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="id.warnings.frag">
&lt;xsl:param name="id.warnings" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>If non-zero, the stylesheet will issue a warning for any element
(other than the root element) which has a <tag>title</tag> but does not have an
ID.</para>
</refsection>
</refentry>

</reference>
<reference xml:id="meta"><title>Meta/*Info and Titlepages</title>
<refentry version="5.0" xml:id="inherit.keywords">
<refmeta>
<refentrytitle>inherit.keywords</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>inherit.keywords</refname>
<refpurpose>Inherit keywords from ancestor elements?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="inherit.keywords.frag">
&lt;xsl:param name="inherit.keywords" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>inherit.keywords</parameter>
is non-zero, the keyword <literal>meta</literal> for each HTML
<literal>head</literal> element will include all of the keywords from
ancestor elements. Otherwise, only the keywords from the current section
will be used.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="make.single.year.ranges">
<refmeta>
<refentrytitle>make.single.year.ranges</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>make.single.year.ranges</refname>
<refpurpose>Print single-year ranges (e.g., 1998-1999)</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="make.single.year.ranges.frag">
&lt;xsl:param name="make.single.year.ranges" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, year ranges that span a single year will be printed
in range notation (1998-1999) instead of discrete notation
(1998, 1999).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="make.year.ranges">
<refmeta>
<refentrytitle>make.year.ranges</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>make.year.ranges</refname>
<refpurpose>Collate copyright years into ranges?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="make.year.ranges.frag">&lt;xsl:param name="make.year.ranges" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, multiple copyright <tag>year</tag> elements will be
collated into ranges.
This works only if each year number is put into a separate
year element.  The copyright element permits multiple
year elements. If a year element contains a dash or
a comma, then that year element will not be merged into
any range.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="author.othername.in.middle">
<refmeta>
<refentrytitle>author.othername.in.middle</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>author.othername.in.middle</refname>
<refpurpose>Is <tag>othername</tag> in <tag>author</tag> a
middle name?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="author.othername.in.middle.frag">
&lt;xsl:param name="author.othername.in.middle" select="1"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the <tag>othername</tag> of an <tag>author</tag>
appears between the <tag>firstname</tag> and
<tag>surname</tag>.  Otherwise, <tag>othername</tag>
is suppressed.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="blurb.on.titlepage.enabled">
<refmeta>
<refentrytitle>blurb.on.titlepage.enabled</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>blurb.on.titlepage.enabled</refname>
<refpurpose>Display personblurb and authorblurb on title pages?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="blurb.on.titlepage.enabled.frag">
&lt;xsl:param name="blurb.on.titlepage.enabled" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, output from <tag>authorblurb</tag> and
<tag>personblurb</tag> elements is displayed on title pages. If zero
(the default), output from those elements is suppressed on title pages
(unless you are using a <literal>titlepage</literal> customization
that causes them to be included).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="contrib.inline.enabled">
<refmeta>
<refentrytitle>contrib.inline.enabled</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>contrib.inline.enabled</refname>
<refpurpose>Display contrib output inline?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="contrib.inline.enabled.frag">&lt;xsl:param name="contrib.inline.enabled"&gt;1&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero (the default), output of the <tag>contrib</tag> element is
displayed as inline content rather than as block content.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="editedby.enabled">
<refmeta>
<refentrytitle>editedby.enabled</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>editedby.enabled</refname>
<refpurpose>Display &#8220;Edited by&#8221; heading above editor name?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="editedby.enabled.frag">&lt;xsl:param name="editedby.enabled"&gt;1&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, a localized <emphasis role="bold">Edited
by</emphasis> heading is displayed above editor names in output of the
<tag>editor</tag> element.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="abstract.notitle.enabled">
<refmeta>
<refentrytitle>abstract.notitle.enabled</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>abstract.notitle.enabled</refname>
<refpurpose>Suppress display of abstract titles?</refpurpose>
</refnamediv>
<refsynopsisdiv>
  <programlisting xml:id="abstract.notitle.enabled.frag">&lt;xsl:param name="abstract.notitle.enabled" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>If non-zero, in output of the <tag>abstract</tag> element on titlepages,
display of the abstract title is suppressed.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="othercredit.like.author.enabled">
<refmeta>
<refentrytitle>othercredit.like.author.enabled</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>othercredit.like.author.enabled</refname>
<refpurpose>Display othercredit in same style as author?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="othercredit.like.author.enabled.frag">&lt;xsl:param name="othercredit.like.author.enabled"&gt;0&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, output of the
<tag>othercredit</tag> element on titlepages is displayed in
the same style as <tag>author</tag> and
<tag>editor</tag> output. If zero then
<tag>othercredit</tag> output is displayed using a style
different than that of <tag>author</tag> and
<tag>editor</tag>.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="generate.legalnotice.link">
<refmeta>
<refentrytitle>generate.legalnotice.link</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>generate.legalnotice.link</refname>
<refpurpose>Write legalnotice to separate chunk and generate link?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="generate.legalnotice.link.frag">&lt;xsl:param name="generate.legalnotice.link" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If the value of <parameter>generate.legalnotice.link</parameter>
is non-zero, the stylesheet:

<itemizedlist>
  <listitem>
    <para>writes the contents of <tag>legalnotice</tag> to a separate
    HTML file</para>
  </listitem>
  <listitem>
    <para>inserts a hyperlink to the <tag>legalnotice</tag> file</para>
  </listitem>
  <listitem>
    <para>adds (in the HTML <literal>head</literal>) either a single
    <literal>link</literal> or element or multiple
    <literal>link</literal> elements (depending on the value of the
    <parameter>html.head.legalnotice.link.multiple</parameter>
    parameter), with the value or values derived from the
    <parameter>html.head.legalnotice.link.types</parameter>
    parameter</para>
  </listitem>
  </itemizedlist>

  Otherwise, if <parameter>generate.legalnotice.link</parameter> is
  zero, <tag>legalnotice</tag> contents are rendered on the title
  page.</para>

<para>The name of the separate HTML file is computed as follows:

<orderedlist>
<listitem>
  <para>If a filename is given by the <tag class="xmlpi">dbhtml filename</tag> 
processing instruction, that filename is used.</para>
</listitem>
<listitem>
  <para>If the legalnotice has an <tag class="attribute">id</tag>/<tag class="attribute">xml:id</tag> 
attribute, and if <parameter>use.id.as.filename</parameter> != 0, the filename 
is the concatenation of the id value and the value of the <parameter>html.ext</parameter> 
parameter.</para>
</listitem>
<listitem>
  <para>If the legalnotice does not have an <tag class="attribute">id</tag>/<tag class="attribute">xml:id</tag>
 attribute, or if <parameter>use.id.as.filename</parameter> = 0, the filename is the concatenation of "ln-", 
auto-generated id value, and <parameter>html.ext</parameter> value.
  </para>
</listitem>
</orderedlist>

</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="generate.revhistory.link">
<refmeta>
<refentrytitle>generate.revhistory.link</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>generate.revhistory.link</refname>
<refpurpose>Write revhistory to separate chunk and generate link?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="generate.revhistory.link.frag">&lt;xsl:param name="generate.revhistory.link" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the contents of <tag>revhistory</tag> are written
to a separate HTML file and a link to the file is
generated. Otherwise, <tag>revhistory</tag> contents are rendered on
the title page.</para>

<para>The name of the separate HTML file is computed as follows:

<orderedlist>
<listitem>
  <para>If a filename is given by the <tag class="xmlpi">dbhtml filename</tag> processing instruction, 
that filename is used.</para>
</listitem>
<listitem>
  <para>If the revhistory has an <tag class="attribute">id</tag>/<tag class="attribute">xml:id</tag> 
attribute, and if <parameter>use.id.as.filename</parameter> != 0, the filename is the concatenation of 
the id value and the value of the <parameter>html.ext</parameter> parameter.</para>
</listitem>
<listitem>
  <para>If the revhistory does not have an <tag class="attribute">id</tag>/<tag class="attribute">xml:id</tag> 
attribute, or if <parameter>use.id.as.filename</parameter> = 0, the filename is the concatenation of "rh-", 
auto-generated id value, and <parameter>html.ext</parameter> value.
  </para>
</listitem>
</orderedlist>

</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.head.legalnotice.link.types">
<refmeta>
<refentrytitle>html.head.legalnotice.link.types</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.head.legalnotice.link.types</refname>
<refpurpose>Specifies link types for legalnotice link in html head</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.head.legalnotice.link.types.frag">
&lt;xsl:param name="html.head.legalnotice.link.types"&gt;copyright&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of
<parameter>html.head.legalnotice.link.types</parameter> is a
space-separated list of link types, as described in <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.w3.org/TR/html401/types.html#type-links">Section 6.12
of the HTML 4.01 specification</link>. If the value of the
<parameter>generate.legalnotice.link</parameter> parameter is
non-zero, then the stylesheet generates (in the
<literal>head</literal> section of the HTML source) either a single
HTML <literal>link</literal> element or, if the value of the
<parameter>html.head.legalnotice.link.multiple</parameter> is
non-zero, one <literal>link</literal> element for each link type
specified. Each <literal>link</literal> has the following attributes:

<itemizedlist>
  <listitem>
    <para>a <tag class="attribute">rel</tag> attribute whose
    value is derived from the value of
    <parameter>html.head.legalnotice.link.types</parameter></para>
  </listitem>
  <listitem>
    <para>an <tag class="attribute">href</tag> attribute whose
    value is set to the URL of the file containing the
    <tag>legalnotice</tag></para>
  </listitem>
  <listitem>
    <para>a <tag class="attribute">title</tag> attribute whose
    value is set to the title of the corresponding
    <tag>legalnotice</tag> (or a title programatically
    determined by the stylesheet)</para>
  </listitem>
</itemizedlist>

For example:

<screen>  &lt;link rel="license" href="ln-id2524073.html" title="Legal Notice"&gt;</screen>
</para>

<refsection><info><title>About the default value</title></info>
  
  <para>In an ideal world, the default value of
  <parameter>html.head.legalnotice.link.types</parameter> would
  probably be &#8220;<literal>license</literal>&#8221;, since the content of the
  DocBook <tag>legalnotice</tag> is typically license
  information, not copyright information. However, the default value
  is &#8220;<literal>copyright</literal>&#8221; for pragmatic reasons: because
  that&#8217;s among the set of &#8220;recognized link types&#8221; listed in <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.w3.org/TR/html401/types.html#type-links">Section
  6.12 of the HTML 4.01 specification</link>, and because certain
  browsers and browser extensions are preconfigured to recognize that
  value.</para>
</refsection>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.head.legalnotice.link.multiple">
<refmeta>
<refentrytitle>html.head.legalnotice.link.multiple</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.head.legalnotice.link.multiple</refname>
<refpurpose>Generate multiple link instances in html head for legalnotice?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.head.legalnotice.link.multiple.frag">
&lt;xsl:param name="html.head.legalnotice.link.multiple" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>html.head.legalnotice.link.multiple</parameter> is
non-zero and the value of
<parameter>html.head.legalnotice.link.types</parameter> contains
multiple link types, then the stylesheet generates (in the
<literal>head</literal> section of the HTML source) one
<literal>link</literal> element for each link type specified. For
example, if the value of
<parameter>html.head.legalnotice.link.types</parameter> is
&#8220;<literal>copyright license</literal>&#8221;:

<screen>  &lt;link rel="copyright" href="ln-id2524073.html" title="Legal Notice"&gt;
  &lt;link rel="license" href="ln-id2524073.html" title="Legal Notice"&gt;</screen>

 Otherwise, the stylesheet generates generates a single
 <literal>link</literal> instance; for example:

<screen>  &lt;link rel="copyright license" href="ln-id2524073.html" title="Legal Notice"&gt;</screen>
 
</para>
</refsection>
</refentry>

</reference>
<reference xml:id="refentry"><title>Reference Pages</title>
<refentry version="5.0" xml:id="funcsynopsis.decoration">
<refmeta>
<refentrytitle>funcsynopsis.decoration</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>funcsynopsis.decoration</refname>
<refpurpose>Decorate elements of a <tag>funcsynopsis</tag>?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="funcsynopsis.decoration.frag">
&lt;xsl:param name="funcsynopsis.decoration" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, elements of the <tag>funcsynopsis</tag> will be
decorated (e.g. rendered as bold or italic text). The decoration is controlled by
templates that can be redefined in a customization layer.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="funcsynopsis.style">
<refmeta>
<refentrytitle>funcsynopsis.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo>
<refmiscinfo class="other" otherclass="value">ansi</refmiscinfo>
<refmiscinfo class="other" otherclass="value">kr</refmiscinfo>
</refmeta>
<refnamediv>
<refname>funcsynopsis.style</refname>
<refpurpose>What style of <tag>funcsynopsis</tag> should be generated?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="funcsynopsis.style.frag">&lt;xsl:param name="funcsynopsis.style"&gt;kr&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>funcsynopsis.style</parameter> is <literal>ansi</literal>,
ANSI-style function synopses are generated for a
<tag>funcsynopsis</tag>, otherwise K&amp;R-style
function synopses are generated.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="function.parens">
<refmeta>
<refentrytitle>function.parens</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>function.parens</refname>
<refpurpose>Generate parens after a function?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="function.parens.frag">
&lt;xsl:param name="function.parens" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the formatting of a <tag>function</tag> element
will include generated parentheses.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="refentry.generate.name">
<refmeta>
<refentrytitle>refentry.generate.name</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>refentry.generate.name</refname>
<refpurpose>Output NAME header before <tag>refname</tag>s?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="refentry.generate.name.frag">
&lt;xsl:param name="refentry.generate.name" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, a "NAME" section title is output before the list
of <tag>refname</tag>s. This parameter and
<parameter>refentry.generate.title</parameter> are mutually
exclusive. This means that if you change this parameter to zero, you
should set <parameter>refentry.generate.title</parameter> to non-zero unless
you want get quite strange output.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="refentry.generate.title">
<refmeta>
<refentrytitle>refentry.generate.title</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>refentry.generate.title</refname>
<refpurpose>Output title before <tag>refname</tag>s?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="refentry.generate.title.frag">
&lt;xsl:param name="refentry.generate.title" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the reference page title or first name is
output before the list of <tag>refname</tag>s. This parameter and
<parameter>refentry.generate.name</parameter> are mutually exclusive.
This means that if you change this parameter to non-zero, you
should set <parameter>refentry.generate.name</parameter> to zero unless
you want get quite strange output.</para>


</refsection>
</refentry>

<refentry version="5.0" xml:id="refentry.xref.manvolnum">
<refmeta>
<refentrytitle>refentry.xref.manvolnum</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>refentry.xref.manvolnum</refname>
<refpurpose>Output <tag>manvolnum</tag> as part of 
<tag>refentry</tag> cross-reference?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="refentry.xref.manvolnum.frag">
&lt;xsl:param name="refentry.xref.manvolnum" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>if non-zero, the <tag>manvolnum</tag> is used when cross-referencing
<tag>refentry</tag>s, either with <tag>xref</tag>
or <tag>citerefentry</tag>.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="citerefentry.link">
<refmeta>
<refentrytitle>citerefentry.link</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>citerefentry.link</refname>
<refpurpose>Generate URL links when cross-referencing RefEntrys?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="citerefentry.link.frag">
&lt;xsl:param name="citerefentry.link" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, a web link will be generated, presumably
to an online man-&gt;HTML gateway. The text of the link is
generated by the <literal>generate.citerefentry.link</literal> template.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="refentry.separator">
<refmeta>
<refentrytitle>refentry.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>refentry.separator</refname>
<refpurpose>Generate a separator between consecutive RefEntry elements?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="refentry.separator.frag">
&lt;xsl:param name="refentry.separator" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If true, a separator will be generated between consecutive
reference pages.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="refclass.suppress">
<refmeta>
<refentrytitle>refclass.suppress</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>refclass.suppress</refname>
<refpurpose>Suppress display of refclass contents?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="refclass.suppress.frag">
&lt;xsl:param name="refclass.suppress" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If the value of <parameter>refclass.suppress</parameter> is
non-zero, then display of <tag>refclass</tag> contents is
suppressed in output.</para>

</refsection>
</refentry>

</reference>
<reference xml:id="tables"><title>Tables</title>
<refentry version="5.0" xml:id="default.table.width">
<refmeta>
<refentrytitle>default.table.width</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
</refmeta>
<refnamediv>
<refname>default.table.width</refname>
<refpurpose>The default width of tables</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="default.table.width.frag">
&lt;xsl:param name="default.table.width"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>If non-zero, this value will be used for the
<literal>width</literal> attribute on <tag>table</tag>s that do not specify an
alternate width (with the <tag class="xmlpi">dbhtml table-width</tag> or 
<tag class="xmlpi">dbfo table-width</tag> processing instruction).</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="nominal.table.width">
<refmeta>
<refentrytitle>nominal.table.width</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
</refmeta>
<refnamediv>
<refname>nominal.table.width</refname>
<refpurpose>The (absolute) nominal width of tables</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="nominal.table.width.frag">
&lt;xsl:param name="nominal.table.width"&gt;6in&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>In order to convert CALS column widths into HTML column widths, it
is sometimes necessary to have an absolute table width to use for conversion
of mixed absolute and relative widths. This value must be an absolute
length (not a percentage).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.borders.with.css">
<refmeta>
<refentrytitle>table.borders.with.css</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.borders.with.css</refname>
<refpurpose>Use CSS to specify table, row, and cell borders?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.borders.with.css.frag">
&lt;xsl:param name="table.borders.with.css" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, CSS will be used to draw table borders.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.cell.border.style">
<refmeta>
<refentrytitle>table.cell.border.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">none</refmiscinfo>
<refmiscinfo class="other" otherclass="value">solid</refmiscinfo>
<refmiscinfo class="other" otherclass="value">dotted</refmiscinfo>
<refmiscinfo class="other" otherclass="value">dashed</refmiscinfo>
<refmiscinfo class="other" otherclass="value">double</refmiscinfo>
<refmiscinfo class="other" otherclass="value">groove</refmiscinfo>                       
<refmiscinfo class="other" otherclass="value">ridge</refmiscinfo>
<refmiscinfo class="other" otherclass="value">inset</refmiscinfo>
<refmiscinfo class="other" otherclass="value">outset</refmiscinfo>          
<refmiscinfo class="other" otherclass="value">solid</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.cell.border.style</refname>
<refpurpose>Specifies the border style of table cells</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.cell.border.style.frag">
&lt;xsl:param name="table.cell.border.style"&gt;solid&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the border style of table cells.</para>

<note>
  <para>To control properties of cell borders in HTML output, you must also turn on the 
  <parameter>table.borders.with.css</parameter> parameter.</para>
</note>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.cell.border.thickness">
<refmeta>
<refentrytitle>table.cell.border.thickness</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.cell.border.thickness</refname>
<refpurpose>Specifies the thickness of table cell borders</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.cell.border.thickness.frag">
&lt;xsl:param name="table.cell.border.thickness"&gt;0.5pt&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, specifies the thickness of borders on table
cells. The units are points. See <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.w3.org/TR/CSS21/box.html#border-width-properties">
CSS</link></para>

<note>
  <para>To control properties of cell borders in HTML output, you must also turn on the 
  <parameter>table.borders.with.css</parameter> parameter.</para>
</note>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.cell.border.color">
<refmeta>
<refentrytitle>table.cell.border.color</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">color</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.cell.border.color</refname>
<refpurpose>Specifies the border color of table cells</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.cell.border.color.frag">
&lt;xsl:param name="table.cell.border.color"&gt;&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set the color of table cell borders. If non-zero, the value is used
for the border coloration. See <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.w3.org/TR/CSS21/syndata.html#value-def-color">CSS</link>. A
<literal>color</literal> is either a keyword or a numerical RGB specification.
Keywords are aqua, black, blue, fuchsia, gray, green, lime, maroon,
navy, olive, orange, purple, red, silver, teal, white, and
yellow.</para>

<note>
  <para>To control properties of cell borders in HTML output, you must also turn on the 
  <parameter>table.borders.with.css</parameter> parameter.</para>
</note>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.frame.border.style">
<refmeta>
<refentrytitle>table.frame.border.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">none</refmiscinfo>
<refmiscinfo class="other" otherclass="value">solid</refmiscinfo>
<refmiscinfo class="other" otherclass="value">dotted</refmiscinfo>
<refmiscinfo class="other" otherclass="value">dashed</refmiscinfo>
<refmiscinfo class="other" otherclass="value">double</refmiscinfo>
<refmiscinfo class="other" otherclass="value">groove</refmiscinfo>                       
<refmiscinfo class="other" otherclass="value">ridge</refmiscinfo>
<refmiscinfo class="other" otherclass="value">inset</refmiscinfo>
<refmiscinfo class="other" otherclass="value">outset</refmiscinfo>          
<refmiscinfo class="other" otherclass="value">solid</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.frame.border.style</refname>
<refpurpose>Specifies the border style of table frames</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.frame.border.style.frag">
&lt;xsl:param name="table.frame.border.style"&gt;solid&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the border style of table frames.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.frame.border.thickness">
<refmeta>
<refentrytitle>table.frame.border.thickness</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.frame.border.thickness</refname>
<refpurpose>Specifies the thickness of the frame border</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.frame.border.thickness.frag">
&lt;xsl:param name="table.frame.border.thickness"&gt;0.5pt&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the thickness of the border on the table's frame.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.frame.border.color">
<refmeta>
<refentrytitle>table.frame.border.color</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">color</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.frame.border.color</refname>
<refpurpose>Specifies the border color of table frames</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.frame.border.color.frag">
&lt;xsl:param name="table.frame.border.color"&gt;&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the border color of table frames.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="default.table.frame">
<refmeta>
<refentrytitle>default.table.frame</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>default.table.frame</refname>
<refpurpose>The default framing of tables</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="default.table.frame.frag">
&lt;xsl:param name="default.table.frame"&gt;all&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This value will be used when there is no frame attribute on the
table. </para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.cellspacing">
<refmeta>
<refentrytitle>html.cellspacing</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.cellspacing</refname>
<refpurpose>Default value for cellspacing in HTML tables</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.cellspacing.frag">
&lt;xsl:param name="html.cellspacing"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, this value will be used as the default cellspacing
value in HTML tables. nn for pixels or nn% for percentage
length. E.g. 5 or 5%</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.cellpadding">
<refmeta>
<refentrytitle>html.cellpadding</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.cellpadding</refname>
<refpurpose>Default value for cellpadding in HTML tables</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.cellpadding.frag">
&lt;xsl:param name="html.cellpadding"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, this value will be used as the default cellpadding value
in HTML tables. nn for pixels or nn% for percentage length. E.g. 5 or
5%</para>

</refsection>
</refentry>

</reference>
<reference xml:id="qa"><title>QAndASet</title>
<refentry version="5.0" xml:id="qanda.defaultlabel">
<refmeta>
<refentrytitle>qanda.defaultlabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">number</refmiscinfo>
<refmiscinfo class="other" otherclass="value">qanda</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">none</refmiscinfo>
</refmeta>
<refnamediv>
<refname>qanda.defaultlabel</refname>
<refpurpose>Sets the default for defaultlabel on QandASet.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="qanda.defaultlabel.frag">
&lt;xsl:param name="qanda.defaultlabel"&gt;number&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If no <literal>defaultlabel</literal> attribute is specified on
a <tag>qandaset</tag>, this value is used. It is generally one of the legal
values for the defaultlabel attribute (<literal>none</literal>, 
<literal>number</literal> or
<literal>qanda</literal>), or one of the additional stylesheet-specific values
(<literal>qnumber</literal> or <literal>qnumberanda</literal>).
The default value is 'number'.
</para>
<para>The values are rendered as follows:</para>
<variablelist>
<varlistentry><term><literal>qanda</literal></term>
<listitem>
<para><tag>question</tag>s are labeled "Q:" and
<tag>answer</tag>s are labeled "A:". </para>
</listitem>
</varlistentry>

<varlistentry><term><literal>number</literal></term>
<listitem>
<para>The questions are enumerated and the answers
are not labeled. </para>
</listitem>
</varlistentry>

<varlistentry><term><literal>qnumber</literal></term>
<listitem>
<para>The questions are labeled "Q:" followed by a number, and answers are not 
labeled. 
When sections are numbered, adding a label
to the number distinguishes the question numbers
from the section numbers.
This value is not allowed in the
<tag class="attribute">defaultlabel</tag> attribute
of a <tag>qandaset</tag> element.</para>
</listitem>
</varlistentry>

<varlistentry><term><literal>qnumberanda</literal></term>
<listitem>
<para>The questions are labeled "Q:" followed by a number, and
the answers are labeled "A:". 
When sections are numbered, adding a label
to the number distinguishes the question numbers
from the section numbers.
This value is not allowed in the
<tag class="attribute">defaultlabel</tag> attribute
of a <tag>qandaset</tag> element.</para>
</listitem>
</varlistentry>

<varlistentry><term><literal>none</literal></term>
<listitem>
<para>No distinguishing label precedes Questions or Answers. 
</para>
</listitem>
</varlistentry>
</variablelist>

</refsection>
</refentry>

<refentry version="5.0" xml:id="qanda.inherit.numeration">
<refmeta>
<refentrytitle>qanda.inherit.numeration</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>qanda.inherit.numeration</refname>
<refpurpose>Does enumeration of QandASet components inherit the numeration of parent elements?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="qanda.inherit.numeration.frag">
&lt;xsl:param name="qanda.inherit.numeration" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, numbered <tag>qandadiv</tag> elements and
<tag>question</tag> and <tag>answer</tag> inherit the enumeration of
the ancestors of the <tag>qandaset</tag>.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="qanda.in.toc">
<refmeta>
<refentrytitle>qanda.in.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>qanda.in.toc</refname>
<refpurpose>Should qandaentry questions appear in 
the document table of contents?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="qanda.in.toc.frag">&lt;xsl:param name="qanda.in.toc" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If true (non-zero), then the generated table of contents
for a document will include <tag>qandaset</tag> titles, 
<tag>qandadiv</tag> titles,
and <tag>question</tag> elements.  The default value (zero) excludes
them from the TOC.
</para>
<para>This parameter does not affect any tables of contents
that may be generated inside a qandaset or qandadiv.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="qanda.nested.in.toc">
<refmeta>
<refentrytitle>qanda.nested.in.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>qanda.nested.in.toc</refname>
<refpurpose>Should nested answer/qandaentry instances appear in TOC?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="qanda.nested.in.toc.frag">
&lt;xsl:param name="qanda.nested.in.toc" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, instances of <tag>qandaentry</tag>
that are children of <tag>answer</tag> elements are shown in
the TOC.</para>

</refsection>
</refentry>

</reference>
<reference xml:id="links"><title>Linking</title>
<refentry version="5.0" xml:id="target.database.document"> 
<refmeta> 
<refentrytitle>target.database.document</refentrytitle> 
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo> 
</refmeta> 
<refnamediv> 
<refname>target.database.document</refname> 
<refpurpose>Name of master database file for resolving
olinks</refpurpose> 
</refnamediv> 
<refsynopsisdiv> 
<programlisting xml:id="target.database.document.frag">
 &lt;xsl:param name="target.database.document"&gt;olinkdb.xml&lt;/xsl:param&gt;
</programlisting> 
</refsynopsisdiv> 
<refsection><info><title>Description</title></info>
 
<para>
To resolve olinks between documents, the stylesheets use a master
database document that identifies the target datafiles for all the
documents within the scope of the olinks. This parameter value is the
URI of the master document to be read during processing to resolve
olinks.  The default value is <filename>olinkdb.xml</filename>.</para>

<para>The data structure of the file is defined in the
<filename>targetdatabase.dtd</filename> DTD.  The database file
provides the high level elements to record the identifiers, locations,
and relationships of documents. The cross reference data for
individual documents is generally pulled into the database using
system entity references or XIncludes. See also
<parameter>targets.filename</parameter>.  </para> </refsection>
</refentry>

<refentry version="5.0" xml:id="targets.filename"> 
<refmeta> 
<refentrytitle>targets.filename</refentrytitle> 
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo> 
</refmeta> 
<refnamediv> 
<refname>targets.filename</refname> 
<refpurpose>Name of cross reference targets data file</refpurpose> 
</refnamediv> 
<refsynopsisdiv> <programlisting xml:id="targets.filename.frag">
&lt;xsl:param name="targets.filename"&gt;target.db&lt;/xsl:param&gt;
</programlisting> 
</refsynopsisdiv> 
<refsection><info><title>Description</title></info>
 
<para>
In order to resolve olinks efficiently, the stylesheets can
generate an external data file containing information about
all potential cross reference endpoints in a document.
This parameter lets you change the name of the generated
file from the default name <filename>target.db</filename>.
The name must agree with that used in the target database
used to resolve olinks during processing.
See also <parameter>target.database.document</parameter>.
</para> 
</refsection> 
</refentry>

<refentry version="5.0" xml:id="olink.base.uri"> 
<refmeta> 
<refentrytitle>olink.base.uri</refentrytitle> 
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo> 
</refmeta> 
<refnamediv> 
<refname>olink.base.uri</refname> 
<refpurpose>Base URI used in olink hrefs</refpurpose> 
</refnamediv> 
<refsynopsisdiv> <programlisting xml:id="olink.base.uri.frag">
&lt;xsl:param name="olink.base.uri"&gt;&lt;/xsl:param&gt;
</programlisting> 
</refsynopsisdiv> 
<refsection><info><title>Description</title></info> 
 
<para>When cross reference data is collected for resolving olinks, it
may be necessary to prepend a base URI to each target's href. This
parameter lets you set that base URI when cross reference data is
collected. This feature is needed when you want to link to a document
that is processed without chunking. The output filename for such a
document is not known to the XSL stylesheet; the only target
information consists of fragment identifiers such as
<literal>#idref</literal>. To enable the resolution of olinks between
documents, you should pass the name of the HTML output file as the
value of this parameter. Then the hrefs recorded in the cross
reference data collection look like
<literal>outfile.html#idref</literal>, which can be reached as links
from other documents.</para>
</refsection> 
</refentry>

<refentry version="5.0" xml:id="use.local.olink.style"> 
<refmeta> 
<refentrytitle>use.local.olink.style</refentrytitle> 
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo> 
</refmeta> 
<refnamediv> 
<refname>use.local.olink.style</refname> 
<refpurpose>Process olinks using xref style of current
document</refpurpose> 
</refnamediv> 
<refsynopsisdiv> <programlisting xml:id="use.local.olink.style.frag">
&lt;xsl:param name="use.local.olink.style" select="0"&gt;&lt;/xsl:param&gt; </programlisting> 
</refsynopsisdiv> 
<refsection><info><title>Description</title></info> 
 
<para>When cross reference data is collected for use by olinks, the data for each potential target includes one field containing a completely assembled cross reference string, as if it were an xref generated in that document. Other fields record the separate title, number, and element name of each target. When an olink is formed to a target from another document, the olink resolves to that preassembled string by default. If the <parameter>use.local.olink.style</parameter> parameter is set to non-zero, then instead the cross
reference string is formed again from the target title, number, and
element name, using the stylesheet processing the targeting document.
Then olinks will match the xref style in the targeting document
rather than in the target document. If  both documents are processed
with the same stylesheet, then the results will be the same.</para> 
</refsection> 
</refentry>

<refentry version="5.0" xml:id="current.docid"> 
<refmeta> 
<refentrytitle>current.docid</refentrytitle> 
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo> 
</refmeta> 
<refnamediv> 
<refname>current.docid</refname> 
<refpurpose>targetdoc identifier for the document being
processed</refpurpose> 
</refnamediv> 
<refsynopsisdiv> <programlisting xml:id="current.docid.frag">
&lt;xsl:param name="current.docid"&gt;&lt;/xsl:param&gt;
</programlisting> 
</refsynopsisdiv> 
<refsection><info><title>Description</title></info> 
 
<para>When olinks between documents are resolved for HTML output, the stylesheet can compute the relative path between the current document and the target document. The stylesheet needs to know the <literal>targetdoc</literal> identifiers for both documents, as they appear in the <parameter>target.database.document</parameter> database file. This parameter passes to the stylesheet
the targetdoc identifier of the current document, since that
identifier does not appear in the document itself. </para>
<para>This parameter can also be used for print output. If an olink's  <literal>targetdoc</literal>  id differs from the <literal>current.docid</literal>, then the stylesheet can append the target document's title to the generated olink text. That identifies to the reader that the link is to a different document, not the current document. See also <parameter>olink.doctitle</parameter> to enable that feature.</para> 
</refsection> 
</refentry>

<refentry version="5.0" xml:id="olink.doctitle"> 
<refmeta> 
<refentrytitle>olink.doctitle</refentrytitle> 
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">no</refmiscinfo>
<refmiscinfo class="other" otherclass="value">yes</refmiscinfo>
<refmiscinfo class="other" otherclass="value">maybe</refmiscinfo>
</refmeta> 
<refnamediv> 
<refname>olink.doctitle</refname> 
<refpurpose>show the document title for external olinks?</refpurpose>

</refnamediv> 
<refsynopsisdiv> <programlisting xml:id="olink.doctitle.frag">
&lt;xsl:param name="olink.doctitle"&gt;no&lt;/xsl:param&gt; 
</programlisting> 
</refsynopsisdiv> 
<refsection><info><title>Description</title></info> 
 
<para>When olinks between documents are resolved, the generated text
may not make it clear that the reference is to another document.
It is possible for the stylesheets to append the other document's
title to external olinks. For this to happen, two parameters must
be set.</para>
<itemizedlist>
<listitem>
<para>This <parameter>olink.doctitle</parameter> parameter
should be set to either <literal>yes</literal> or <literal>maybe</literal>
to enable this feature.
</para>
</listitem>
<listitem>
<para>And you should also set the <parameter>current.docid</parameter>
parameter to the document id for the  document currently
being processed for output.
</para>
</listitem>
</itemizedlist>

<para>
Then if an olink's  <literal>targetdoc</literal> id differs from
the <literal>current.docid</literal> value, the stylesheet knows
that it is a reference to another document and can
append the target document's
title to the generated olink text. </para> 

<para>The text for the target document's title is copied from the
olink database from the <tag>ttl</tag> element
of the top-level <tag>div</tag> for that document.
If that <tag>ttl</tag> element is missing or empty,
no title is output.
</para>

<para>The supported values for <parameter>olink.doctitle</parameter> are:
</para>
<variablelist>
<varlistentry>
<term><literal>yes</literal></term>
<listitem>
<para>
Always insert the title to the target document if it is not
the current document.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>no</literal></term>
<listitem>
<para>
Never insert the title to the target document, even if requested
in an <tag class="attribute">xrefstyle</tag> attribute.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>maybe</literal></term>
<listitem>
<para>
Only insert the title to the target document, if requested
in an <tag class="attribute">xrefstyle</tag> attribute.
</para>
</listitem>
</varlistentry>
</variablelist>
<para>An <tag class="attribute">xrefstyle</tag> attribute
may override the global setting for individual olinks.
The following values are supported in an
<tag class="attribute">xrefstyle</tag>
attribute using the <literal>select:</literal> syntax:
</para>

<variablelist>
<varlistentry>
<term><literal>docname</literal></term>
<listitem>
<para>
Insert the target document name for this olink using the
<literal>docname</literal> gentext template, but only
if the value of <parameter>olink.doctitle</parameter>
is not <literal>no</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>docnamelong</literal></term>
<listitem>
<para>
Insert the target document name for this olink using the
<literal>docnamelong</literal> gentext template, but only
if the value of <parameter>olink.doctitle</parameter>
is not <literal>no</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>nodocname</literal></term>
<listitem>
<para>
Omit the target document name even if
the value of <parameter>olink.doctitle</parameter>
is <literal>yes</literal>.
</para>
</listitem>
</varlistentry>
</variablelist>
<para>Another way of inserting the target document name 
for a single olink is to employ an
<tag class="attribute">xrefstyle</tag>
attribute using the <literal>template:</literal> syntax.
The <literal>%o</literal> placeholder (the letter o, not zero)
in such a template
will be filled in with the target document's title when it is processed.
This will occur regardless of 
the value of <parameter>olink.doctitle</parameter>.
</para>
<para>Note that prior to version 1.66 of the XSL stylesheets,
the allowed values for this parameter were 0 and 1.  Those
values are still supported and mapped to 'no' and 'yes', respectively.
</para>
</refsection> 
</refentry>

<refentry version="5.0" xml:id="olink.debug">
<refmeta>
<refentrytitle>olink.debug</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>olink.debug</refname>
<refpurpose>Turn on debugging messages for olinks</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="olink.debug.frag">
&lt;xsl:param name="olink.debug" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, then each olink will generate several
messages about how it is being resolved during processing.
This is useful when an olink does not resolve properly
and the standard error messages are not sufficient to
find the problem. 
</para>

<para>You may need to read through the olink XSL templates
to understand the context for some of the debug messages.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="olink.properties">
<refmeta>
<refentrytitle>olink.properties</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">attribute set</refmiscinfo>
</refmeta>
<refnamediv>
<refname>olink.properties</refname>
<refpurpose>Properties associated with the cross-reference 
text of an olink.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="olink.properties.frag">
&lt;xsl:attribute-set name="olink.properties"&gt;
  &lt;xsl:attribute name="show-destination"&gt;replace&lt;/xsl:attribute&gt;
&lt;/xsl:attribute-set&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This <literal>attribute set</literal> is applied to the
<literal>fo:basic-link</literal> element of an olink. It is not applied to the
optional page number or optional title of the external
document.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="olink.lang.fallback.sequence"> 
<refmeta> 
<refentrytitle>olink.lang.fallback.sequence</refentrytitle> 
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo> 
</refmeta> 
<refnamediv> 
<refname>olink.lang.fallback.sequence</refname> 
<refpurpose>look up translated documents if olink not found?</refpurpose>

</refnamediv> 
<refsynopsisdiv> <programlisting xml:id="olink.lang.fallback.sequence.frag">
&lt;xsl:param name="olink.lang.fallback.sequence"&gt;&lt;/xsl:param&gt;
</programlisting> 
</refsynopsisdiv> 
<refsection><info><title>Description</title></info> 
 

<para>This parameter defines a list of lang values
to search among to resolve olinks.
</para>

<para>Normally an olink tries to resolve to a document in the same
language as the olink itself.  The language of an olink
is determined by its nearest ancestor element with a
<tag class="attribute">lang</tag> attribute, otherwise the
value of the <parameter>l10n.gentext.default.lang</parameter>
parameter.
</para>

<para>An olink database can contain target data for the same
document in multiple languages.  Each set of data has the
same value for the <tag>targetdoc</tag> attribute in
the <tag>document</tag> element in the database, but with a 
different <tag>lang</tag> attribute value.
</para>

<para>When an olink is being resolved, the target is first
sought in the document with the same language as the olink.
If no match is found there, then this parameter is consulted
for additional languages to try.</para>

<para>The <parameter>olink.lang.fallback.sequence</parameter>
must be a whitespace separated list of lang values to
try.  The first one with a match in the olink database is used.
The default value is empty.</para>

<para>For example, a document might be written in German
and contain an olink with
<literal>targetdoc="adminguide"</literal>.
When the document is processed, the processor
first looks for a target dataset in the
olink database starting with:</para>

<literallayout><literal>&lt;document targetdoc="adminguide" lang="de"&gt;</literal>.
</literallayout>

<para>If there is no such element, then the
<parameter>olink.lang.fallback.sequence</parameter> 
parameter is consulted.
If its value is, for example, <quote>fr en</quote>, then the processor next
looks for <literal>targetdoc="adminguide" lang="fr"</literal>, and
then for <literal>targetdoc="adminguide" lang="en"</literal>.
If there is still no match, it looks for
<literal>targetdoc="adminguide"</literal> with no
lang attribute.
</para>

<para>This parameter is useful when a set of documents is only
partially translated, or is in the process of being translated.  
If a target of an olink has not yet been translated, then this
parameter permits the processor to look for the document in
other languages.  This assumes the reader would rather have
a link to a document in a different language than to have
a broken link.
</para>

</refsection> 
</refentry>

<refentry version="5.0" xml:id="insert.olink.page.number">
<refmeta>
<refentrytitle>insert.olink.page.number</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">no</refmiscinfo>
<refmiscinfo class="other" otherclass="value">yes</refmiscinfo>
<refmiscinfo class="other" otherclass="value">maybe</refmiscinfo>
</refmeta>
<refnamediv>
<refname>insert.olink.page.number</refname>
<refpurpose>Turns page numbers in olinks on and off</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="insert.olink.page.number.frag">
&lt;xsl:param name="insert.olink.page.number"&gt;no&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter determines if
cross references made between documents with
<tag>olink</tag> will 
include page number citations.
In most cases this is only applicable to references in printed output.
</para>
<para>The parameter has three possible values.
</para>
<variablelist>
<varlistentry>
<term>no</term>
<listitem><para>No page number references will be generated for olinks.
</para></listitem>
</varlistentry>
<varlistentry>
<term>yes</term>
<listitem><para>Page number references will be generated
for all <tag>olink</tag> references.
The style of page reference may be changed
if an <tag class="attribute">xrefstyle</tag>
attribute is used.
</para></listitem>
</varlistentry>
<varlistentry>
<term>maybe</term>
<listitem><para>Page number references will not be generated
for an <tag>olink</tag> element unless 
it has an
<tag class="attribute">xrefstyle</tag>
attribute whose value specifies a page reference.
</para></listitem>
</varlistentry>
</variablelist>
<para>Olinks that point to targets within the same document
are treated as <tag>xref</tag>s, and controlled by
the <parameter>insert.xref.page.number</parameter> parameter.
</para>

<para>Page number references for olinks to
external documents can only be inserted if the 
information exists in the olink database. 
This means each olink target element 
(<tag>div</tag> or <tag>obj</tag>)
must have a <tag class="attribute">page</tag> attribute
whose value is its page number in the target document.
The XSL stylesheets are not able to extract that information
during processing because pages have not yet been created in
XSLT transformation.  Only the XSL-FO processor knows what
page each element is placed on.
Therefore some postprocessing must take place to populate
page numbers in the olink database.
</para>



</refsection>
</refentry>

<refentry version="5.0" xml:id="insert.olink.pdf.frag">
<refmeta>
<refentrytitle>insert.olink.pdf.frag</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>insert.olink.pdf.frag</refname>
<refpurpose>Add fragment identifiers for links into PDF files</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="insert.olink.pdf.frag.frag">
&lt;xsl:param name="insert.olink.pdf.frag" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter determines whether
the cross reference URIs to PDF documents made with
<tag>olink</tag> will 
include fragment identifiers.
</para>

<para>When forming a URI to link to a PDF document,
a fragment identifier (typically a '#' followed by an
id value) appended to the PDF filename can be used by
the PDF viewer to open
the PDF file to a location within the document instead of
the first page.
However, not all PDF files have id
values embedded in them, and not all PDF viewers can
handle fragment identifiers. 
</para>

<para>If <parameter>insert.olink.pdf.frag</parameter> is set
to a non-zero value, then any olink targeting a
PDF file will have the fragment identifier appended to the URI.
The URI is formed by concatenating the value of the
<parameter>olink.base.uri</parameter> parameter, the
value of the <tag class="attribute">baseuri</tag>
attribute from the <tag class="element">document</tag>
element in the olink database with the matching
<tag class="attribute">targetdoc</tag> value,
and the value of the <tag class="attribute">href</tag>
attribute for the targeted element in the olink database.
The <tag class="attribute">href</tag> attribute
contains the fragment identifier.
</para>

<para>If <parameter>insert.olink.pdf.frag</parameter> is set
to zero (the default value), then 
the <tag class="attribute">href</tag> attribute
from the olink database
is not appended to PDF olinks, so the fragment identifier is left off.
A PDF olink is any olink for which the
<tag class="attribute">baseuri</tag> attribute
from the matching <tag class="element">document</tag>
element in the olink database ends with '.pdf'.
Any other olinks will still have the fragment identifier added.
</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="prefer.internal.olink">
<refmeta>
<refentrytitle>prefer.internal.olink</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>prefer.internal.olink</refname>
<refpurpose>Prefer a local olink reference to an external reference</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="prefer.internal.olink.frag">
&lt;xsl:param name="prefer.internal.olink" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If you are re-using XML content modules in multiple documents,
you may want to redirect some of your olinks.  This parameter
permits you to redirect an olink to the current document.
</para>

<para>For example: you are writing documentation for a  product, 
which includes 3 manuals: a little installation
booklet (booklet.xml), a user 
guide (user.xml), and a reference manual (reference.xml).
All 3 documents begin with the same introduction section (intro.xml) that 
contains a reference to the customization section (custom.xml) which is 
included in both user.xml and reference.xml documents.
</para>

<para>How do you write the link to custom.xml in intro.xml
so that it is interpreted correctly in all 3 documents?</para>
<itemizedlist>
<listitem><para>If you use xref, it will fail in user.xml.</para>
</listitem>
<listitem><para>If you use olink (pointing to reference.xml),
the reference in user.xml  
will point to the customization section of the reference manual, while it is 
actually available in user.xml.</para>
</listitem>
</itemizedlist>

<para>If you set the <parameter>prefer.internal.olink</parameter>
parameter to a non-zero value, then the processor will
first look in the olink database
for the olink's <tag>targetptr</tag> attribute value
in document matching the <parameter>current.docid</parameter>
parameter value.  If it isn't found there, then
it tries the document in the database
with the <tag>targetdoc</tag>
value that matches the olink's <tag>targetdoc</tag>
attribute.
</para>

<para>This feature permits an olink reference to resolve to
the current document if there is an element
with an id matching the olink's <tag>targetptr</tag>
value.  The current document's olink data must be
included in the target database for this to work.</para>

<caution>
<para>There is a potential for incorrect links if
the same <tag>id</tag> attribute value is used for different
content in different documents.
Some of your olinks may be redirected to the current document
when they shouldn't be.  It is not possible to control
individual olink instances.</para>
</caution>

</refsection>
</refentry>

<refentry version="5.0" xml:id="link.mailto.url">
<refmeta>
<refentrytitle>link.mailto.url</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>link.mailto.url</refname>
<refpurpose>Mailto URL for the LINK REL=made HTML HEAD element</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="link.mailto.url.frag">
&lt;xsl:param name="link.mailto.url"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If not the empty string, this address will be used for the
rel=made <literal>link</literal> element in the html <literal>head</literal>
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="ulink.target">
<refmeta>
<refentrytitle>ulink.target</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ulink.target</refname>
<refpurpose>The HTML anchor target for ULinks</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="ulink.target.frag">
&lt;xsl:param name="ulink.target"&gt;_top&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>ulink.target</parameter> is non-zero, its value will
be used for the <literal>target</literal> attribute
on anchors generated for <tag>ulink</tag>s.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="olink.fragid">
<refmeta>
<refentrytitle>olink.fragid</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>olink.fragid</refname>
<refpurpose>Names the fragment identifier portion of an OLink resolver query</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="olink.fragid.frag">
&lt;xsl:param name="olink.fragid"&gt;fragid=&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>The fragment identifier portion of an <tag>olink</tag> target.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="olink.outline.ext">
<refmeta>
<refentrytitle>olink.outline.ext</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>olink.outline.ext</refname>
<refpurpose>The extension of OLink outline files</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="olink.outline.ext.frag">
&lt;xsl:param name="olink.outline.ext"&gt;.olink&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The extension to be expected for  OLink outline files</para>
<para>Bob has this parameter as dead. Please don't use</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="olink.pubid">
<refmeta>
<refentrytitle>olink.pubid</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>olink.pubid</refname>
<refpurpose>Names the public identifier portion of an OLink resolver query</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="olink.pubid.frag">
&lt;xsl:param name="olink.pubid"&gt;pubid&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para/>

</refsection>
</refentry>

<refentry version="5.0" xml:id="olink.sysid">
<refmeta>
<refentrytitle>olink.sysid</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>olink.sysid</refname>
<refpurpose>Names the system identifier portion of an OLink resolver query</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="olink.sysid.frag">
&lt;xsl:param name="olink.sysid"&gt;sysid&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>FIXME</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="olink.resolver">
<refmeta>
<refentrytitle>olink.resolver</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>olink.resolver</refname>
<refpurpose>The root name of the OLink resolver (usually a script)</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="olink.resolver.frag">
  &lt;xsl:param name="olink.resolver"&gt;/cgi-bin/olink&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>FIXME:</para>
</refsection>
</refentry>

</reference>
<reference xml:id="xrefs"><title>Cross References</title>
<refentry version="5.0" xml:id="collect.xref.targets"> 
<refmeta> 
<refentrytitle>collect.xref.targets</refentrytitle> 
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">no</refmiscinfo>
<refmiscinfo class="other" otherclass="value">yes</refmiscinfo>
<refmiscinfo class="other" otherclass="value">only</refmiscinfo>
</refmeta> 
<refnamediv> 
<refname>collect.xref.targets</refname> 
<refpurpose>Controls whether cross reference data is
collected</refpurpose> 
</refnamediv> 
<refsynopsisdiv> <programlisting xml:id="collect.xref.targets.frag">
&lt;xsl:param name="collect.xref.targets"&gt;no&lt;/xsl:param&gt;
</programlisting> 
</refsynopsisdiv> 
<refsection><info><title>Description</title></info> 
 
<para>
In order to resolve olinks efficiently, the stylesheets can
generate an external data file containing information about
all potential cross reference endpoints in a document.
This parameter determines whether the collection process is run when the document is processed by the stylesheet. The default value is  <literal>no</literal>, which means the data file is not generated during processing. The other choices are <literal>yes</literal>, which means the data file is created and the document is processed for output, and <literal>only</literal>, which means the data file is created but the document is not processed for output.
See also <parameter>targets.filename</parameter>.
</para> 
</refsection> 
</refentry>

<refentry version="5.0" xml:id="insert.xref.page.number">
<refmeta>
<refentrytitle>insert.xref.page.number</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">no</refmiscinfo>
<refmiscinfo class="other" otherclass="value">yes</refmiscinfo>
<refmiscinfo class="other" otherclass="value">maybe</refmiscinfo>
</refmeta>
<refnamediv>
<refname>insert.xref.page.number</refname>
<refpurpose>Turns page numbers in xrefs on and off</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="insert.xref.page.number.frag">
&lt;xsl:param name="insert.xref.page.number"&gt;no&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter determines if
cross references (<tag>xref</tag>s) in
printed output will
include page number citations.
It has three possible values.
</para>
<variablelist>
<varlistentry>
<term>no</term>
<listitem><para>No page number references will be generated.
</para></listitem>
</varlistentry>
<varlistentry>
<term>yes</term>
<listitem><para>Page number references will be generated
for all <tag>xref</tag> elements.
The style of page reference may be changed
if an <tag class="attribute">xrefstyle</tag>
attribute is used.
</para></listitem>
</varlistentry>
<varlistentry>
<term>maybe</term>
<listitem><para>Page number references will not be generated
for an <tag>xref</tag> element unless 
it has an
<tag class="attribute">xrefstyle</tag>
attribute whose value specifies a page reference.
</para></listitem>
</varlistentry>
</variablelist>

</refsection>
</refentry>

<refentry version="5.0" xml:id="use.role.as.xrefstyle">
<refmeta>
<refentrytitle>use.role.as.xrefstyle</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>use.role.as.xrefstyle</refname>
<refpurpose>Use <tag class="attribute">role</tag> attribute for
<tag class="attribute">xrefstyle</tag> on <tag>xref</tag>?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="use.role.as.xrefstyle.frag">
&lt;xsl:param name="use.role.as.xrefstyle" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>In DocBook documents that conform to a schema older than V4.3, this parameter allows 
<tag class="attribute">role</tag> to serve the purpose of specifying the cross reference style.</para>

<para>If non-zero, the <tag class="attribute">role</tag> attribute on
<tag>xref</tag> will be used to select the cross reference style.
In DocBook V4.3, the <tag class="attribute">xrefstyle</tag> attribute was added for this purpose.
If the <tag class="attribute">xrefstyle</tag> attribute is present, 
<tag class="attribute">role</tag> will be ignored, regardless of the setting
of this parameter.</para>

</refsection>

<refsection><info><title>Example</title></info>

<para>The following small stylesheet shows how to configure the
stylesheets to make use of the cross reference style:</para>

<programlisting>&lt;?xml version="1.0"?&gt;
&lt;xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                version="1.0"&gt;

&lt;xsl:import href="../xsl/html/docbook.xsl"/&gt;

&lt;xsl:output method="html"/&gt;

&lt;xsl:param name="local.l10n.xml" select="document('')"/&gt;
&lt;l:i18n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0"&gt;
  &lt;l:l10n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" language="en"&gt;
   &lt;l:context name="xref"&gt;
      &lt;l:template name="chapter" style="title" text="Chapter %n, %t"/&gt;
      &lt;l:template name="chapter" text="Chapter %n"/&gt;
    &lt;/l:context&gt;
  &lt;/l:l10n&gt;
&lt;/l:i18n&gt;

&lt;/xsl:stylesheet&gt;</programlisting>

<para>With this stylesheet, the cross references in the following document:</para>

<programlisting>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
                  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"&gt;
&lt;book id="book"&gt;&lt;title&gt;Book&lt;/title&gt;

&lt;preface&gt;
&lt;title&gt;Preface&lt;/title&gt;

&lt;para&gt;Normal: &lt;xref linkend="ch1"/&gt;.&lt;/para&gt;
&lt;para&gt;Title: &lt;xref xrefstyle="title" linkend="ch1"/&gt;.&lt;/para&gt;

&lt;/preface&gt;

&lt;chapter id="ch1"&gt;
&lt;title&gt;First Chapter&lt;/title&gt;

&lt;para&gt;Irrelevant.&lt;/para&gt;

&lt;/chapter&gt;
&lt;/book&gt;</programlisting>

<para>will appear as:</para>

<informalexample>
<para>Normal: Chapter 1.</para>
<para>Title: Chapter 1, <emphasis>First Chapter</emphasis>.</para>
</informalexample>
</refsection>

</refentry>

<refentry version="5.0" xml:id="xref.with.number.and.title">
<refmeta>
<refentrytitle>xref.with.number.and.title</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>xref.with.number.and.title</refname>
<refpurpose>Use number and title in cross references</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="xref.with.number.and.title.frag">
&lt;xsl:param name="xref.with.number.and.title" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>A cross reference may include the number (for example, the number of
an example or figure) and the <tag>title</tag> which is a required child of some
targets. This parameter inserts both the relevant number as well as
the title into the link. </para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="xref.label-page.separator">
<refmeta>
<refentrytitle>xref.label-page.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>xref.label-page.separator</refname>
<refpurpose>Punctuation or space separating label from page number in xref</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="xref.label-page.separator.frag">&lt;xsl:param name="xref.label-page.separator"&gt;&lt;xsl:text&gt; &lt;/xsl:text&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
This parameter allows you to control the punctuation of certain
types of generated cross reference text.
When cross reference text is generated for an 
<tag class="element">xref</tag> or 
<tag class="element">olink</tag> element
using an <tag class="attribute">xrefstyle</tag> attribute
that makes use of the <literal>select:</literal> feature,
and the selected components include both label and page
but no title,
then the value of this parameter is inserted between
label and page number in the output.  
If a title is included, then other separators are used.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="xref.label-title.separator">
<refmeta>
<refentrytitle>xref.label-title.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>xref.label-title.separator</refname>
<refpurpose>Punctuation or space separating label from title in xref</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="xref.label-title.separator.frag">&lt;xsl:param name="xref.label-title.separator"&gt;: &lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
This parameter allows you to control the punctuation of certain
types of generated cross reference text.
When cross reference text is generated for an 
<tag class="element">xref</tag> or 
<tag class="element">olink</tag> element
using an <tag class="attribute">xrefstyle</tag> attribute
that makes use of the <literal>select:</literal> feature,
and the selected components include both label and title,
then the value of this parameter is inserted between
label and title in the output.  
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="xref.title-page.separator">
<refmeta>
<refentrytitle>xref.title-page.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>xref.title-page.separator</refname>
<refpurpose>Punctuation or space separating title from page number in xref</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="xref.title-page.separator.frag">&lt;xsl:param name="xref.title-page.separator"&gt;&lt;xsl:text&gt; &lt;/xsl:text&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
This parameter allows you to control the punctuation of certain
types of generated cross reference text.
When cross reference text is generated for an 
<tag class="element">xref</tag> or 
<tag class="element">olink</tag> element
using an <tag class="attribute">xrefstyle</tag> attribute
that makes use of the <literal>select:</literal> feature,
and the selected components include both title and page number,
then the value of this parameter is inserted between
title and page number in the output.  
</para>

</refsection>
</refentry>

</reference>
<reference xml:id="lists"><title>Lists</title>
<refentry version="5.0" xml:id="segmentedlist.as.table">
<refmeta>
<refentrytitle>segmentedlist.as.table</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>segmentedlist.as.table</refname>
<refpurpose>Format segmented lists as tables?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="segmentedlist.as.table.frag">
&lt;xsl:param name="segmentedlist.as.table" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, <tag>segmentedlist</tag>s will be formatted as
tables.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="variablelist.as.table">
<refmeta>
<refentrytitle>variablelist.as.table</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>variablelist.as.table</refname>
<refpurpose>Format <tag>variablelist</tag>s as tables?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="variablelist.as.table.frag">
&lt;xsl:param name="variablelist.as.table" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, <tag>variablelist</tag>s will be formatted as
tables. A processing instruction exists to specify a particular width for the 
column containing the <tag>term</tag>s:   
<tag class="xmlpi">dbhtml term-width=".25in"</tag></para>

<para>You can override this setting with a processing instruction as the
child of <tag>variablelist</tag>: <tag class="xmlpi">dbhtml
list-presentation="table"</tag> or <tag class="xmlpi">dbhtml
list-presentation="list"</tag>.</para>

<para>This parameter only applies to the HTML transformations. In the
FO case, proper list markup is robust enough to handle the formatting.
But see also <parameter>variablelist.as.blocks</parameter>.</para>

<programlisting>  &lt;variablelist&gt;
        &lt;?dbhtml list-presentation="table"?&gt;
        &lt;?dbhtml term-width="1.5in"?&gt;
        &lt;?dbfo list-presentation="list"?&gt;
        &lt;?dbfo term-width="1in"?&gt;
        &lt;varlistentry&gt;
          &lt;term&gt;list&lt;/term&gt;
          &lt;listitem&gt;
                &lt;para&gt;
                  Formatted as a table even if variablelist.as.table is set to 0.
                &lt;/para&gt;
          &lt;/listitem&gt;
        &lt;/varlistentry&gt;
  &lt;/variablelist&gt;</programlisting>

</refsection>
</refentry>

<refentry version="5.0" xml:id="variablelist.term.separator">
<refmeta>
<refentrytitle>variablelist.term.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>variablelist.term.separator</refname>
<refpurpose>Text to separate <tag>term</tag>s within a multi-term
<tag>varlistentry</tag></refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="variablelist.term.separator.frag">
&lt;xsl:param name="variablelist.term.separator"&gt;, &lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>When a <tag>varlistentry</tag> contains multiple <tag>term</tag>
elements, the string specified in the value of the
<parameter>variablelist.term.separator</parameter> parameter is placed
after each <tag>term</tag> except the last.</para>

<note>
  <para>To generate a line break between multiple <tag>term</tag>s in
  a <tag>varlistentry</tag>, set a non-zero value for the
  <parameter>variablelist.term.break.after</parameter> parameter. If
  you do so, you may also want to set the value of the
  <parameter>variablelist.term.separator</parameter> parameter to an
  empty string (to suppress rendering of the default comma and space
  after each <tag>term</tag>).</para>
</note>

</refsection>
</refentry>

<refentry version="5.0" xml:id="variablelist.term.break.after">
<refmeta>
<refentrytitle>variablelist.term.break.after</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>variablelist.term.break.after</refname>
<refpurpose>Generate line break after each <tag>term</tag> within a
multi-term <tag>varlistentry</tag>?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="variablelist.term.break.after.frag">
&lt;xsl:param name="variablelist.term.break.after"&gt;0&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set a non-zero value for the
<parameter>variablelist.term.break.after</parameter> parameter to
generate a line break between <tag>term</tag>s in a
multi-term <tag>varlistentry</tag>.</para>

<note>
<para>If you set a non-zero value for
<parameter>variablelist.term.break.after</parameter>, you may also
want to set the value of the
<parameter>variablelist.term.separator</parameter> parameter to an
empty string (to suppress rendering of the default comma and space
after each <tag>term</tag>).</para>
</note>

</refsection>
</refentry>

</reference>
<reference xml:id="biblio"><title>Bibliography</title>
<refentry version="5.0" xml:id="bibliography.style">
<refmeta>
<refentrytitle>bibliography.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo>
<refmiscinfo class="other" otherclass="value">normal</refmiscinfo>
<refmiscinfo class="other" otherclass="value">iso690</refmiscinfo>
</refmeta>
<refnamediv>
<refname>bibliography.style</refname>
<refpurpose>Style used for formatting of biblioentries.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="bibliography.style.frag">
&lt;xsl:param name="bibliography.style"&gt;normal&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Currently only <literal>normal</literal> and
<literal>iso690</literal> styles are supported.</para>

<para>In order to use ISO690 style to the full extent you might need
to use additional markup described on <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://wiki.docbook.org/topic/ISO690Bibliography">the
following WiKi page</link>.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="biblioentry.item.separator">
<refmeta>
<refentrytitle>biblioentry.item.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>biblioentry.item.separator</refname>
<refpurpose>Text to separate bibliography entries</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="biblioentry.item.separator.frag">&lt;xsl:param name="biblioentry.item.separator"&gt;. &lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Text to separate bibliography entries
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="bibliography.collection">
<refmeta>
<refentrytitle>bibliography.collection</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>bibliography.collection</refname>
<refpurpose>Name of the bibliography collection file</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="bibliography.collection.frag">
&lt;xsl:param name="bibliography.collection"&gt;http://docbook.sourceforge.net/release/bibliography/bibliography.xml&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Maintaining bibliography entries across a set of documents is tedious, time
consuming, and error prone. It makes much more sense, usually, to store all of
the bibliography entries in a single place and simply <quote>extract</quote>
the ones you need in each document.</para>

<para>That's the purpose of the
<parameter>bibliography.collection</parameter> parameter. To setup a global
bibliography <quote>database</quote>, follow these steps:</para>

<para>First, create a stand-alone bibliography document that contains all of
the documents that you wish to reference. Make sure that each bibliography
entry (whether you use <tag>biblioentry</tag> or <tag>bibliomixed</tag>)
has an ID.</para>

<para>My global bibliography, <filename>~/bibliography.xml</filename> begins
like this:</para>

<informalexample>
<programlisting>&lt;!DOCTYPE bibliography
  PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
  "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"&gt;
&lt;bibliography&gt;&lt;title&gt;References&lt;/title&gt;

&lt;bibliomixed id="xml-rec"&gt;&lt;abbrev&gt;XML 1.0&lt;/abbrev&gt;Tim Bray,
Jean Paoli, C. M. Sperberg-McQueen, and Eve Maler, editors.
&lt;citetitle&gt;&lt;ulink url="http://www.w3.org/TR/REC-xml"&gt;Extensible Markup
Language (XML) 1.0 Second Edition&lt;/ulink&gt;&lt;/citetitle&gt;.
World Wide Web Consortium, 2000.
&lt;/bibliomixed&gt;

&lt;bibliomixed id="xml-names"&gt;&lt;abbrev&gt;Namespaces&lt;/abbrev&gt;Tim Bray,
Dave Hollander,
and Andrew Layman, editors.
&lt;citetitle&gt;&lt;ulink url="http://www.w3.org/TR/REC-xml-names/"&gt;Namespaces in
XML&lt;/ulink&gt;&lt;/citetitle&gt;.
World Wide Web Consortium, 1999.
&lt;/bibliomixed&gt;

&lt;!-- ... --&gt;
&lt;/bibliography&gt;
</programlisting>
</informalexample>

<para>When you create a bibliography in your document, simply
provide <emphasis>empty</emphasis> <tag>bibliomixed</tag>
entries for each document that you wish to cite. Make sure that these
elements have the same ID as the corresponding <quote>real</quote>
entry in your global bibliography.</para>

<para>For example:</para>

<informalexample>
<programlisting>&lt;bibliography&gt;&lt;title&gt;Bibliography&lt;/title&gt;

&lt;bibliomixed id="xml-rec"/&gt;
&lt;bibliomixed id="xml-names"/&gt;
&lt;bibliomixed id="DKnuth86"&gt;Donald E. Knuth. &lt;citetitle&gt;Computers and
Typesetting: Volume B, TeX: The Program&lt;/citetitle&gt;. Addison-Wesley,
1986.  ISBN 0-201-13437-3.
&lt;/bibliomixed&gt;
&lt;bibliomixed id="relaxng"/&gt;

&lt;/bibliography&gt;</programlisting>
</informalexample>

<para>Note that it's perfectly acceptable to mix entries from your
global bibliography with <quote>normal</quote> entries. You can use
<tag>xref</tag> or other elements to cross-reference your
bibliography entries in exactly the same way you do now.</para>

<para>Finally, when you are ready to format your document, simply set the
<parameter>bibliography.collection</parameter> parameter (in either a
customization layer or directly through your processor's interface) to
point to your global bibliography.</para>

<para>The stylesheets will format the bibliography in your document as if
all of the entries referenced appeared there literally.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="bibliography.numbered">
<refmeta>
<refentrytitle>bibliography.numbered</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>bibliography.numbered</refname>
<refpurpose>Should bibliography entries be numbered?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="bibliography.numbered.frag">
&lt;xsl:param name="bibliography.numbered" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero bibliography entries will be numbered</para>

</refsection>
</refentry>

</reference>
<reference xml:id="glossary"><title>Glossary</title>
<refentry version="5.0" xml:id="glossterm.auto.link">
<refmeta>
<refentrytitle>glossterm.auto.link</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>glossterm.auto.link</refname>
<refpurpose>Generate links from glossterm to glossentry automatically?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="glossterm.auto.link.frag">
&lt;xsl:param name="glossterm.auto.link" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, links from inline <tag>glossterm</tag>s to the corresponding 
<tag>glossentry</tag> elements in a <tag>glossary</tag> or <tag>glosslist</tag> 
will be automatically generated. This is useful when your glossterms are consistent 
and you don't want to add links manually.</para>

<para>The automatic link generation feature is not used on <tag>glossterm</tag> elements
that have a <tag class="attribute">linkend</tag> attribute.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="firstterm.only.link">
<refmeta>
<refentrytitle>firstterm.only.link</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>firstterm.only.link</refname>
<refpurpose>Does automatic glossterm linking only apply to firstterms?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="firstterm.only.link.frag">
&lt;xsl:param name="firstterm.only.link" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, only <tag>firstterm</tag>s will be automatically linked
to the glossary. If glossary linking is not enabled, this parameter
has no effect.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="glossary.collection">
<refmeta>
<refentrytitle>glossary.collection</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>glossary.collection</refname>
<refpurpose>Name of the glossary collection file</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="glossary.collection.frag">
&lt;xsl:param name="glossary.collection"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Glossaries maintained independently across a set of documents
are likely to become inconsistent unless considerable effort is
expended to keep them in sync. It makes much more sense, usually, to
store all of the glossary entries in a single place and simply
<quote>extract</quote> the ones you need in each document.</para>

<para>That's the purpose of the
<parameter>glossary.collection</parameter> parameter. To setup a global
glossary <quote>database</quote>, follow these steps:</para>

<refsection><info><title>Setting Up the Glossary Database</title></info>

<para>First, create a stand-alone glossary document that contains all of
the entries that you wish to reference. Make sure that each glossary
entry has an ID.</para>

<para>Here's an example glossary:</para>

<informalexample>
<programlisting>
&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;!DOCTYPE glossary
  PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
  "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"&gt;
&lt;glossary&gt;
&lt;glossaryinfo&gt;
&lt;editor&gt;&lt;firstname&gt;Eric&lt;/firstname&gt;&lt;surname&gt;Raymond&lt;/surname&gt;&lt;/editor&gt;
&lt;title&gt;Jargon File 4.2.3 (abridged)&lt;/title&gt;
&lt;releaseinfo&gt;Just some test data&lt;/releaseinfo&gt;
&lt;/glossaryinfo&gt;

&lt;glossdiv&gt;&lt;title&gt;0&lt;/title&gt;

&lt;glossentry&gt;
&lt;glossterm&gt;0&lt;/glossterm&gt;
&lt;glossdef&gt;
&lt;para&gt;Numeric zero, as opposed to the letter `O' (the 15th letter of
the English alphabet). In their unmodified forms they look a lot
alike, and various kluges invented to make them visually distinct have
compounded the confusion. If your zero is center-dotted and letter-O
is not, or if letter-O looks almost rectangular but zero looks more
like an American football stood on end (or the reverse), you're
probably looking at a modern character display (though the dotted zero
seems to have originated as an option on IBM 3270 controllers). If
your zero is slashed but letter-O is not, you're probably looking at
an old-style ASCII graphic set descended from the default typewheel on
the venerable ASR-33 Teletype (Scandinavians, for whom /O is a letter,
curse this arrangement). (Interestingly, the slashed zero long
predates computers; Florian Cajori's monumental "A History of
Mathematical Notations" notes that it was used in the twelfth and
thirteenth centuries.) If letter-O has a slash across it and the zero
does not, your display is tuned for a very old convention used at IBM
and a few other early mainframe makers (Scandinavians curse &lt;emphasis&gt;this&lt;/emphasis&gt;
arrangement even more, because it means two of their letters collide).
Some Burroughs/Unisys equipment displays a zero with a &lt;emphasis&gt;reversed&lt;/emphasis&gt;
slash. Old CDC computers rendered letter O as an unbroken oval and 0
as an oval broken at upper right and lower left. And yet another
convention common on early line printers left zero unornamented but
added a tail or hook to the letter-O so that it resembled an inverted
Q or cursive capital letter-O (this was endorsed by a draft ANSI
standard for how to draw ASCII characters, but the final standard
changed the distinguisher to a tick-mark in the upper-left corner).
Are we sufficiently confused yet?&lt;/para&gt;
&lt;/glossdef&gt;
&lt;/glossentry&gt;

&lt;glossentry&gt;
&lt;glossterm&gt;1TBS&lt;/glossterm&gt;
&lt;glossdef&gt;
&lt;para role="accidence"&gt;
&lt;phrase role="pronounce"&gt;&lt;/phrase&gt;
&lt;phrase role="partsofspeach"&gt;n&lt;/phrase&gt;
&lt;/para&gt;
&lt;para&gt;The "One True Brace Style"&lt;/para&gt;
&lt;glossseealso&gt;indent style&lt;/glossseealso&gt;
&lt;/glossdef&gt;
&lt;/glossentry&gt;

&lt;!-- ... --&gt;

&lt;/glossdiv&gt;

&lt;!-- ... --&gt;

&lt;/glossary&gt;</programlisting>
</informalexample>

</refsection>

<refsection><info><title>Marking Up Glossary Terms</title></info>

<para>That takes care of the glossary database, now you have to get the entries
into your document. Unlike bibliography entries, which can be empty, creating
<quote>placeholder</quote> glossary entries would be very tedious. So instead,
support for <parameter>glossary.collection</parameter> relies on implicit linking.</para>

<para>In your source document, simply use <tag>firstterm</tag> and
<tag>glossterm</tag> to identify the terms you wish to have included
in the glossary. The stylesheets assume that you will either set the
<tag class="attribute">baseform</tag> attribute correctly, or that the
content of the element exactly matches a term in your glossary.</para>

<para>If you're using a <parameter>glossary.collection</parameter>, don't
make explicit links on the terms in your document.</para>

<para>So, in your document, you might write things like this:</para>

<informalexample>
<programlisting>&lt;para&gt;This is dummy text, without any real meaning.
The point is simply to reference glossary terms like &lt;glossterm&gt;0&lt;/glossterm&gt;
and the &lt;firstterm baseform="1TBS"&gt;One True Brace Style (1TBS)&lt;/firstterm&gt;.
The &lt;glossterm&gt;1TBS&lt;/glossterm&gt;, as you can probably imagine, is a nearly
religious issue.&lt;/para&gt;</programlisting>
</informalexample>

<para>If you set the <parameter>firstterm.only.link</parameter> parameter,
only the terms marked with <tag>firstterm</tag> will be links.
Otherwise, all the terms will be linked.</para>

</refsection>

<refsection><info><title>Marking Up the Glossary</title></info>

<para>The glossary itself has to be identified for the stylesheets. For lack
of a better choice, the <tag class="attribute">role</tag> is used.
To identify the glossary as the target for automatic processing, set
the role to <quote><literal>auto</literal></quote>. The title of this
glossary (and any other information from the <tag>glossaryinfo</tag>
that's rendered by your stylesheet) will be displayed, but the entries will
come from the database.
</para>

<para>Unfortunately, the glossary can't be empty, so you must put in
at least one <tag>glossentry</tag>. The content of this entry
is irrelevant, it will not be rendered:</para>

<informalexample>
<programlisting>&lt;glossary role="auto"&gt;
&lt;glossentry&gt;
&lt;glossterm&gt;Irrelevant&lt;/glossterm&gt;
&lt;glossdef&gt;
&lt;para&gt;If you can see this, the document was processed incorrectly. Use
the &lt;parameter&gt;glossary.collection&lt;/parameter&gt; parameter.&lt;/para&gt;
&lt;/glossdef&gt;
&lt;/glossentry&gt;
&lt;/glossary&gt;</programlisting>
</informalexample>

<para>What about glossary divisions? If your glossary database has glossary
divisions <emphasis>and</emphasis> your automatic glossary contains at least
one <tag>glossdiv</tag>, the automic glossary will have divisions.
If the <tag>glossdiv</tag> is missing from either location, no divisions
will be rendered.</para>

<para>Glossary entries (and divisions, if appropriate) in the glossary will
occur in precisely the order they occur in your database.</para>

</refsection>

<refsection><info><title>Formatting the Document</title></info>

<para>Finally, when you are ready to format your document, simply set the
<parameter>glossary.collection</parameter> parameter (in either a
customization layer or directly through your processor's interface) to
point to your global glossary.</para>

<para>The stylesheets will format the glossary in your document as if
all of the entries implicilty referenced appeared there literally.</para>
</refsection>

<refsection><info><title>Limitations</title></info>

<para>Glossary cross-references <emphasis>within the glossary</emphasis> are
not supported. For example, this <emphasis>will not</emphasis> work:</para>

<informalexample>
<programlisting>&lt;glossentry&gt;
&lt;glossterm&gt;gloss-1&lt;/glossterm&gt;
&lt;glossdef&gt;&lt;para&gt;A description that references &lt;glossterm&gt;gloss-2&lt;/glossterm&gt;.&lt;/para&gt;
&lt;glossseealso&gt;gloss-2&lt;/glossseealso&gt;
&lt;/glossdef&gt;
&lt;/glossentry&gt;</programlisting>
</informalexample>

<para>If you put glossary cross-references in your glossary that way,
you'll get the cryptic error: <computeroutput>Warning:
glossary.collection specified, but there are 0 automatic
glossaries</computeroutput>.</para>

<para>Instead, you must do two things:</para>

<orderedlist>
<listitem>
<para>Markup your glossary using <tag>glossseealso</tag>:</para>

<informalexample>
<programlisting>&lt;glossentry&gt;
&lt;glossterm&gt;gloss-1&lt;/glossterm&gt;
&lt;glossdef&gt;&lt;para&gt;A description that references &lt;glossterm&gt;gloss-2&lt;/glossterm&gt;.&lt;/para&gt;
&lt;glossseealso&gt;gloss-2&lt;/glossseealso&gt;
&lt;/glossdef&gt;
&lt;/glossentry&gt;</programlisting>
</informalexample>
</listitem>

<listitem>
<para>Make sure there is at least one <tag>glossterm</tag> reference to
<glossterm>gloss-2</glossterm> <emphasis>in your document</emphasis>. The
easiest way to do that is probably within a <tag>remark</tag> in your
automatic glossary:</para>

<informalexample>
<programlisting>&lt;glossary role="auto"&gt;
&lt;remark&gt;Make sure there's a reference to &lt;glossterm&gt;gloss-2&lt;/glossterm&gt;.&lt;/remark&gt;
&lt;glossentry&gt;
&lt;glossterm&gt;Irrelevant&lt;/glossterm&gt;
&lt;glossdef&gt;
&lt;para&gt;If you can see this, the document was processed incorrectly. Use
the &lt;parameter&gt;glossary.collection&lt;/parameter&gt; parameter.&lt;/para&gt;
&lt;/glossdef&gt;
&lt;/glossentry&gt;
&lt;/glossary&gt;</programlisting>
</informalexample>
</listitem>
</orderedlist>
</refsection>

</refsection>
</refentry>

<refentry version="5.0" xml:id="glossary.sort">
<refmeta>
<refentrytitle>glossary.sort</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>glossary.sort</refname>
<refpurpose>Sort glossentry elements?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="glossary.sort.frag">
&lt;xsl:param name="glossary.sort" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, then the glossentry elements within a
glossary, glossdiv, or glosslist are sorted on the glossterm, using
the current lang setting.  If zero (the default), then
glossentry elements are not sorted and are presented
in document order.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="glossentry.show.acronym">
<refmeta>
<refentrytitle>glossentry.show.acronym</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo>
<refmiscinfo class="other" otherclass="value">no</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">yes</refmiscinfo>
<refmiscinfo class="other" otherclass="value">primary</refmiscinfo>
</refmeta>
<refnamediv>
<refname>glossentry.show.acronym</refname>
<refpurpose>Display <tag>glossentry</tag> acronyms?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="glossentry.show.acronym.frag">
&lt;xsl:param name="glossentry.show.acronym"&gt;no&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>A setting of <quote>yes</quote> means they should be displayed;
<quote>no</quote> means they shouldn't. If <quote>primary</quote> is used,
then they are shown as the primary text for the entry.</para>

<note>
<para>This setting controls both <tag>acronym</tag> and
<tag>abbrev</tag> elements in the <tag>glossentry</tag>.</para>
</note>

</refsection>
</refentry>

</reference>
<reference xml:id="misc"><title>Miscellaneous</title>
<refentry version="5.0" xml:id="formal.procedures">
<refmeta>
<refentrytitle>formal.procedures</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>formal.procedures</refname>
<refpurpose>Selects formal or informal procedures</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="formal.procedures.frag">
&lt;xsl:param name="formal.procedures" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Formal procedures are numbered and always have a title.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="formal.title.placement">
<refmeta>
<refentrytitle>formal.title.placement</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">table</refmiscinfo>
</refmeta>
<refnamediv>
<refname>formal.title.placement</refname>
<refpurpose>Specifies where formal object titles should occur</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="formal.title.placement.frag">
&lt;xsl:param name="formal.title.placement"&gt;
figure before
example before
equation before
table before
procedure before
task before
&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies where formal object titles should occur. For each formal object
type (<tag>figure</tag>,
<tag>example</tag>,
<tag>equation</tag>,
<tag>table</tag>, and <tag>procedure</tag>)
you can specify either the keyword
<quote><literal>before</literal></quote> or
<quote><literal>after</literal></quote>.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="runinhead.default.title.end.punct">
<refmeta>
<refentrytitle>runinhead.default.title.end.punct</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>runinhead.default.title.end.punct</refname>
<refpurpose>Default punctuation character on a run-in-head</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="runinhead.default.title.end.punct.frag">&lt;xsl:param name="runinhead.default.title.end.punct"&gt;.&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, For a <tag>formalpara</tag>, use the specified
string as the separator between the title and following text. The period is the default value.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="runinhead.title.end.punct">
<refmeta>
<refentrytitle>runinhead.title.end.punct</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>runinhead.title.end.punct</refname>
<refpurpose>Characters that count as punctuation on a run-in-head</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="runinhead.title.end.punct.frag">
&lt;xsl:param name="runinhead.title.end.punct"&gt;.!?:&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specify which characters are to be counted as punctuation. These
characters are checked for a match with the last character of the
title. If no match is found, the
<parameter>runinhead.default.title.end.punct</parameter> contents are
inserted. This is to avoid duplicated punctuation in the output.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="show.comments">
<refmeta>
<refentrytitle>show.comments</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>show.comments</refname>
<refpurpose>Display <tag>remark</tag> elements?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="show.comments.frag">
&lt;xsl:param name="show.comments" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, comments will be displayed, otherwise they
are suppressed.  Comments here refers to the <tag>remark</tag> element
(which was called <literal>comment</literal> prior to DocBook
4.0), not XML comments (&lt;-- like this --&gt;) which are
unavailable.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="show.revisionflag">
<refmeta>
<refentrytitle>show.revisionflag</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>show.revisionflag</refname>
<refpurpose>Enable decoration of elements that have a revisionflag</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="show.revisionflag.frag">
&lt;xsl:param name="show.revisionflag" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>
If <parameter>show.revisionflag</parameter> is turned on, then the stylesheets
may produce additional markup designed to allow a CSS stylesheet to
highlight elements that have specific revisionflag settings.</para>

<para>The markup inserted will be usually be either a &lt;span&gt; or
&lt;div&gt; with an appropriate <literal>class</literal>
attribute. (The value of the class attribute will be the same as the
value of the revisionflag attribute). In some contexts, for example
tables, where extra markup would be structurally illegal, the class
attribute will be added to the appropriate container element.</para>

<para>In general, the stylesheets only test for revisionflag in contexts
where an importing stylesheet would have to redefine whole templates.
Most of the revisionflag processing is expected to be done by another
stylesheet, for example <filename>changebars.xsl</filename>.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="shade.verbatim">
<refmeta>
<refentrytitle>shade.verbatim</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>shade.verbatim</refname>
<refpurpose>Should verbatim environments be shaded?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="shade.verbatim.frag">&lt;xsl:param name="shade.verbatim" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>In the FO stylesheet, if this parameter is non-zero then the
<property>shade.verbatim.style</property> properties will be applied
to verbatim environments.</para>

<para>In the HTML stylesheet, this parameter is now deprecated. Use
CSS instead.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="shade.verbatim.style">
<refmeta>
<refentrytitle>shade.verbatim.style</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">attribute set</refmiscinfo>
</refmeta>
<refnamediv>
<refname>shade.verbatim.style</refname>
<refpurpose>Properties that specify the style of shaded verbatim listings</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="shade.verbatim.style.frag">
&lt;xsl:attribute-set name="shade.verbatim.style"&gt;
  &lt;xsl:attribute name="border"&gt;0&lt;/xsl:attribute&gt;
  &lt;xsl:attribute name="bgcolor"&gt;#E0E0E0&lt;/xsl:attribute&gt;
&lt;/xsl:attribute-set&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Properties that specify the style of shaded verbatim listings. The
parameters specified (the border and background color) are added to
the styling of the xsl-fo output. A border might be specified as "thin
black solid" for example. See <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.w3.org/TR/2004/WD-xsl11-20041216/#border">xsl-fo</link></para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="punct.honorific">
<refmeta>
<refentrytitle>punct.honorific</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>punct.honorific</refname>
<refpurpose>Punctuation after an honorific in a personal name.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="punct.honorific.frag">
&lt;xsl:param name="punct.honorific"&gt;.&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter specifies the punctuation that should be added after an
honorific in a personal name.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="tex.math.in.alt">
<refmeta>
<refentrytitle>tex.math.in.alt</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">plain</refmiscinfo>
<refmiscinfo class="other" otherclass="value">latex</refmiscinfo>
</refmeta>
<refnamediv>
<refname>tex.math.in.alt</refname>
<refpurpose>TeX notation used for equations</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="tex.math.in.alt.frag">
&lt;xsl:param name="tex.math.in.alt"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If you want type math directly in TeX notation in equations,
this parameter specifies notation used. Currently are supported two
values -- <literal>plain</literal> and <literal>latex</literal>. Empty
value means that you are not using TeX math at all.</para>

<para>Preferred way for including TeX alternative of math is inside of
<tag>textobject</tag> element. Eg.:</para>

<programlisting>&lt;inlineequation&gt;
&lt;inlinemediaobject&gt;
&lt;imageobject&gt;
&lt;imagedata fileref="eq1.gif"/&gt;
&lt;/imageobject&gt;
&lt;textobject&gt;&lt;phrase&gt;E=mc squared&lt;/phrase&gt;&lt;/textobject&gt;
&lt;textobject role="tex"&gt;&lt;phrase&gt;E=mc^2&lt;/phrase&gt;&lt;/textobject&gt;
&lt;/inlinemediaobject&gt;
&lt;/inlineequation&gt;</programlisting>

<para>If you are using <tag>graphic</tag> element, you can
store TeX inside <tag>alt</tag> element:</para>

<programlisting>&lt;inlineequation&gt;
&lt;alt role="tex"&gt;a^2+b^2=c^2&lt;/alt&gt;
&lt;graphic fileref="a2b2c2.gif"/&gt;  
&lt;/inlineequation&gt;</programlisting>

<para>If you want use this feature, you should process your FO with
PassiveTeX, which only supports TeX math notation. When calling
stylsheet, don't forget to specify also
passivetex.extensions=1.</para>

<para>If you want equations in HTML, just process generated file
<filename>tex-math-equations.tex</filename> by TeX or LaTeX. Then run
dvi2bitmap program on result DVI file. You will get images for
equations in your document.</para>

<warning>
  <para>This feature is useful for print/PDF output only if you
    use the obsolete and now unsupported PassiveTeX XSL-FO
    engine.</para>
</warning>

</refsection>

<refsection><info><title>Related Parameters</title></info>
  <para><parameter>tex.math.delims</parameter>,
    <parameter>passivetex.extensions</parameter>,
    <parameter>tex.math.file</parameter></para>
</refsection>

</refentry>

<refentry version="5.0" xml:id="tex.math.file">
<refmeta>
<refentrytitle>tex.math.file</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>tex.math.file</refname>
<refpurpose>Name of temporary file for generating images from equations</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="tex.math.file.frag">
&lt;xsl:param name="tex.math.file"&gt;tex-math-equations.tex&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Name of auxiliary file for TeX equations. This file can be
processed by dvi2bitmap to get bitmap versions of equations for HTML
output.</para>

</refsection>
<refsection><info><title>Related Parameters</title></info>
  <para><parameter>tex.math.in.alt</parameter>,
    <parameter>tex.math.delims</parameter>,
  </para>
</refsection>
<refsection><info><title>More information</title></info>
  <para>For how-to documentation on embedding TeX equations and
    generating output from them, see
    <link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="TexMath.html">DBTeXMath</link>.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="tex.math.delims">
<refmeta>
<refentrytitle>tex.math.delims</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>tex.math.delims</refname>
<refpurpose>Should equations output for processing by TeX be
surrounded by math mode delimiters?</refpurpose>
</refnamediv> 

<refsynopsisdiv>
<programlisting xml:id="tex.math.delims.frag">
&lt;xsl:param name="tex.math.delims" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>For compatibility with DSSSL based DBTeXMath from Allin Cottrell
you should set this parameter to 0.</para>

<warning>
  <para>This feature is useful for print/PDF output only if you
  use the obsolete and now unsupported PassiveTeX XSL-FO
  engine.</para>
</warning>

</refsection>
<refsection><info><title>Related Parameters</title></info>
  <para><parameter>tex.math.in.alt</parameter>,
    <parameter>passivetex.extensions</parameter></para>
</refsection>

<refsection><info><title>See Also</title></info>
  <para>You can also use the <tag class="xmlpi">dbtex delims</tag> processing
    instruction to control whether delimiters are output.</para>
</refsection>


</refentry>

<refentry version="5.0" xml:id="pixels.per.inch">
<refmeta>
<refentrytitle>pixels.per.inch</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>pixels.per.inch</refname>
<refpurpose>How many pixels are there per inch?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="pixels.per.inch.frag">
&lt;xsl:param name="pixels.per.inch"&gt;90&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>When lengths are converted to pixels, this value is used to
determine the size of a pixel. The default value is taken from the
<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.w3.org/TR/2004/WD-xsl11-20041216/">XSL
Recommendation</link>.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="points.per.em">
<refmeta>
<refentrytitle>points.per.em</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">number</refmiscinfo>
</refmeta>
<refnamediv>
<refname>points.per.em</refname>
<refpurpose>Specify the nominal size of an em-space in points</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="points.per.em.frag">
&lt;xsl:param name="points.per.em"&gt;10&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The fixed value used for calculations based upon the size of a
character. The assumption made is that ten point font is in use. This
assumption may not be valid.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="use.svg">
<refmeta>
<refentrytitle>use.svg</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>use.svg</refname>
<refpurpose>Allow SVG in the result tree?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="use.svg.frag">
&lt;xsl:param name="use.svg" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, SVG will be considered an acceptable image format. SVG
is passed through to the result tree, so correct rendering of the resulting
diagram depends on the formatter (FO processor or web browser) that is used
to process the output from the stylesheet.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="menuchoice.separator">
<refmeta>
<refentrytitle>menuchoice.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>menuchoice.separator</refname>
<refpurpose>Separator between items of a <tag>menuchoice</tag>
other than <tag>guimenuitem</tag> and
<tag>guisubmenu</tag></refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="menuchoice.separator.frag">
&lt;xsl:param name="menuchoice.separator"&gt;+&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Separator used to connect items of a <tag>menuchoice</tag> other
than <tag>guimenuitem</tag> and <tag>guisubmenu</tag>. The latter
elements are linked with <parameter>menuchoice.menu.separator</parameter>.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="menuchoice.menu.separator">
<refmeta>
<refentrytitle>menuchoice.menu.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>menuchoice.menu.separator</refname>
<refpurpose>Separator between items of a <tag>menuchoice</tag>
with <tag>guimenuitem</tag> or
<tag>guisubmenu</tag></refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="menuchoice.menu.separator.frag">
&lt;xsl:param name="menuchoice.menu.separator"&gt; &#8594; &lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Separator used to connect items of a <tag>menuchoice</tag> with
<tag>guimenuitem</tag> or <tag>guisubmenu</tag>. Other elements
are linked with <parameter>menuchoice.separator</parameter>.
</para>
<para>The default value is &amp;#x2192;, which is the
&amp;rarr; (right arrow) character entity.  
The current FOP (0.20.5) requires setting the font-family
explicitly.
</para>
<para>The default value also includes spaces around the arrow,
which will allow a line to break.  Replace the spaces with
&amp;#xA0; (nonbreaking space) if you don't want those
spaces to break.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="default.float.class">
<refmeta>
<refentrytitle>default.float.class</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>default.float.class</refname>
<refpurpose>Specifies the default float class</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="default.float.class.frag">
&lt;xsl:param name="default.float.class"&gt;
  &lt;xsl:choose&gt;
    &lt;xsl:when test="contains($stylesheet.result.type,'html')"&gt;left&lt;/xsl:when&gt;
    &lt;xsl:otherwise&gt;before&lt;/xsl:otherwise&gt;
  &lt;/xsl:choose&gt;
&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Selects the direction in which a float should be placed. for
xsl-fo this is before, for html it is left. For Western texts, the
before direction is the top of the page.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="footnote.number.format">
<refmeta>
<refentrytitle>footnote.number.format</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">1<alt>1,2,3...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">A<alt>A,B,C...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">a<alt>a,b,c...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">i<alt>i,ii,iii...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">I<alt>I,II,III...</alt></refmiscinfo>
</refmeta>
<refnamediv>
<refname>footnote.number.format</refname>
<refpurpose>Identifies the format used for footnote numbers</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="footnote.number.format.frag">
&lt;xsl:param name="footnote.number.format"&gt;1&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>footnote.number.format</parameter> specifies the format
to use for footnote numeration (1, i, I, a, or A).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.footnote.number.format">
<refmeta>
<refentrytitle>table.footnote.number.format</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo> 
<refmiscinfo class="other" otherclass="value">1<alt>1,2,3...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">A<alt>A,B,C...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">a<alt>a,b,c...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">i<alt>i,ii,iii...</alt></refmiscinfo>
<refmiscinfo class="other" otherclass="value">I<alt>I,II,III...</alt></refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.footnote.number.format</refname>
<refpurpose>Identifies the format used for footnote numbers in tables</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.footnote.number.format.frag">
&lt;xsl:param name="table.footnote.number.format"&gt;a&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>table.footnote.number.format</parameter> specifies the format
to use for footnote numeration (1, i, I, a, or A) in tables.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="footnote.number.symbols">
<refmeta>
<refentrytitle>footnote.number.symbols</refentrytitle>
<refmiscinfo class="other" otherclass="datatype"/>
</refmeta>
<refnamediv>
<refname>footnote.number.symbols</refname>
<refpurpose>Special characters to use as footnote markers</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="footnote.number.symbols.frag">
&lt;xsl:param name="footnote.number.symbols"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>footnote.number.symbols</parameter> is not the empty string,
footnotes will use the characters it contains as footnote symbols. For example,
<quote>*&amp;#x2020;&amp;#x2021;&amp;#x25CA;&amp;#x2720;</quote> will identify
footnotes with <quote>*</quote>, <quote>&#8224;</quote>, <quote>&#8225;</quote>,
<quote>&#9674;</quote>, and <quote>&#10016;</quote>. If there are more footnotes
than symbols, the stylesheets will fall back to numbered footnotes using
<parameter>footnote.number.format</parameter>.</para>

<para>The use of symbols for footnotes depends on the ability of your
processor (or browser) to render the symbols you select. Not all systems are
capable of displaying the full range of Unicode characters. If the quoted characters
in the preceding paragraph are not displayed properly, that's a good indicator
that you may have trouble using those symbols for footnotes.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="table.footnote.number.symbols">
<refmeta>
<refentrytitle>table.footnote.number.symbols</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>table.footnote.number.symbols</refname>
<refpurpose>Special characters to use a footnote markers in tables</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="table.footnote.number.symbols.frag">
&lt;xsl:param name="table.footnote.number.symbols"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>table.footnote.number.symbols</parameter> is not the empty string,
table footnotes will use the characters it contains as footnote symbols. For example,
<quote>*&amp;#x2020;&amp;#x2021;&amp;#x25CA;&amp;#x2720;</quote> will identify
footnotes with <quote>*</quote>, <quote>&#8224;</quote>, <quote>&#8225;</quote>,
<quote>&#9674;</quote>, and <quote>&#10016;</quote>. If there are more footnotes
than symbols, the stylesheets will fall back to numbered footnotes using
<parameter>table.footnote.number.format</parameter>.</para>

<para>The use of symbols for footnotes depends on the ability of your
processor (or browser) to render the symbols you select. Not all systems are
capable of displaying the full range of Unicode characters. If the quoted characters
in the preceding paragraph are not displayed properly, that's a good indicator
that you may have trouble using those symbols for footnotes.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="highlight.source">
<refmeta>
<refentrytitle>highlight.source</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>highlight.source</refname>
<refpurpose>Should the content of <tag>programlisting</tag>
be syntactically highlighted?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="highlight.source.frag">
&lt;xsl:param name="highlight.source" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>When this parameter is non-zero, the stylesheets will try to do syntax highlighting of the 
content of <tag>programlisting</tag> elements. You specify the language for each programlisting 
by using the <tag class="attribute">language</tag> attribute. The <parameter>highlight.default.language</parameter> 
parameter can be used to specify the language for programlistings without a <tag class="attribute">language</tag> 
attribute. Syntax highlighting also works for <tag>screen</tag> and <tag>synopsis</tag> elements.</para>

<para>The actual highlighting work is done by the XSLTHL extension module. This is an external Java library that has to be 
downloaded separately (see below).</para>

<itemizedlist>
<para>In order to use this extension, you must</para> 

<listitem><para>add <filename>xslthl-2.x.x.jar</filename> to your Java classpath. The latest version is available
from <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://sourceforge.net/projects/xslthl">the XSLT syntax highlighting project</link> 
at SourceForge.</para>
</listitem>
<listitem>
<para>use a customization layer in which you import one of the following stylesheet modules: 
<itemizedlist>
  <listitem>
    <para><filename>html/highlight.xsl</filename>
    </para>
  </listitem>
<listitem>
    <para><filename>xhtml/highlight.xsl</filename>
    </para>
  </listitem>
<listitem>
    <para><filename>xhtml-1_1/highlight.xsl</filename>
    </para>
  </listitem>
<listitem>
    <para><filename>fo/highlight.xsl</filename>
    </para>
</listitem>
</itemizedlist>
</para>
</listitem>
<listitem><para>let either the <literal>xslthl.config</literal> Java system property or the
<parameter>highlight.xslthl.config</parameter> parameter point to the configuration file for syntax 
highlighting (using URL syntax). DocBook XSL comes with a ready-to-use configuration file, 
<filename>highlighting/xslthl-config.xml</filename>.</para>
</listitem>
</itemizedlist>

<para>The extension works with Saxon 6.5.x and Xalan-J. (Saxon 8.5 or later is also supported, but since it is 
an XSLT 2.0 processor it is not guaranteed to work with DocBook XSL in all circumstances.)</para>

<para>The following is an example of a Saxon 6 command adapted for syntax highlighting, to be used on Windows:</para>

<informalexample>
<para><command>java -cp c:/Java/saxon.jar;c:/Java/xslthl-2.0.1.jar 
-Dxslthl.config=file:///c:/docbook-xsl/highlighting/xslthl-config.xml com.icl.saxon.StyleSheet 
-o test.html test.xml myhtml.xsl</command></para>
</informalexample>

</refsection>
</refentry>

<refentry version="5.0" xml:id="highlight.xslthl.config">
<refmeta>
<refentrytitle>highlight.xslthl.config</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
</refmeta>
<refnamediv>
<refname>highlight.xslthl.config</refname>
<refpurpose>Location of XSLTHL configuration file</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="highlight.xslthl.config.frag">
&lt;xsl:param name="highlight.xslthl.config"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This location has precedence over the corresponding Java property.</para>

<para>Please note that usually you have to specify location as URL not
just as a simple path on the local
filesystem. E.g. <filename>file:///home/user/xslthl/my-xslthl-config.xml</filename>.</para>



</refsection>
</refentry>

<refentry version="5.0" xml:id="highlight.default.language">
<refmeta>
<refentrytitle>highlight.default.language</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>highlight.default.language</refname>
<refpurpose>Default language of programlisting</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="highlight.default.language.frag">
&lt;xsl:param name="highlight.default.language"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This language is used when there is no language attribute on programlisting.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="email.delimiters.enabled">
<refmeta>
<refentrytitle>email.delimiters.enabled</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>email.delimiters.enabled</refname>
<refpurpose>Generate delimiters around email addresses?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="email.delimiters.enabled.frag">
&lt;xsl:param name="email.delimiters.enabled" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, delimiters

<footnote><para>For delimiters, the
stylesheets are currently hard-coded to output angle
brackets.</para></footnote> 

are generated around e-mail addresses
(the output of the <tag>email</tag> element).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="exsl.node.set.available">
<refmeta>
<refentrytitle>exsl.node.set.available</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>exsl.node.set.available</refname>
<refpurpose>Is the test function-available('exsl:node-set') true?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="exsl.node.set.available.frag">&lt;xsl:param name="exsl.node.set.available"&gt; 
  &lt;xsl:choose&gt;
    &lt;xsl:when exsl:foo="" test="function-available('exsl:node-set') or                        contains(system-property('xsl:vendor'),                          'Apache Software Foundation')"&gt;1&lt;/xsl:when&gt;
    &lt;xsl:otherwise&gt;0&lt;/xsl:otherwise&gt;
  &lt;/xsl:choose&gt;
&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero,
then the exsl:node-set() function is available to be used in
the stylesheet.
If zero, then the function is not available.
This param automatically detects the presence of
the function and does not normally need to be set manually.</para>

<para>This param was created to handle a long-standing
bug in the Xalan processor that fails to detect the
function even though it is available.</para>

</refsection>
</refentry>

</reference>
<reference xml:id="annos"><title>Annotations</title>
<refentry version="5.0" xml:id="annotation.support">
<refmeta>
<refentrytitle>annotation.support</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>annotation.support</refname>
<refpurpose>Enable annotations?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="annotation.support.frag">
&lt;xsl:param name="annotation.support" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the stylesheets will attempt to support annotation
elements in HTML by including some JavaScript (see
<parameter>annotation.js</parameter>).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="annotation.js">
<refmeta>
<refentrytitle>annotation.js</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>annotation.js</refname>
<refpurpose>URIs identifying JavaScript files with support for annotation popups</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="annotation.js.frag">

&lt;xsl:param name="annotation.js"&gt;
&lt;xsl:text&gt;http://docbook.sourceforge.net/release/script/AnchorPosition.js http://docbook.sourceforge.net/release/script/PopupWindow.js&lt;/xsl:text&gt;&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <property>annotation.support</property> is enabled and the
document contains <tag>annotation</tag>s, then the URIs listed
in this parameter will be included. These JavaScript files are required
for popup annotation support.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="annotation.css">
<refmeta>
<refentrytitle>annotation.css</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>annotation.css</refname>
<refpurpose>CSS rules for annotations</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="annotation.css.frag">
&lt;xsl:param name="annotation.css"&gt;
/* ======================================================================
   Annotations
*/

div.annotation-list  { visibility: hidden;
                     }

div.annotation-nocss { position: absolute;
                       visibility: hidden;
                     }

div.annotation-popup { position: absolute;
                       z-index: 4;
                       visibility: hidden;
                       padding: 0px;
                       margin: 2px;
                       border-style: solid;
                       border-width: 1px;
                       width: 200px;
                       background-color: white;
                     }

div.annotation-title { padding: 1px;
                       font-weight: bold;
                       border-bottom-style: solid;
                       border-bottom-width: 1px;
                       color: white;
                       background-color: black;
                     }

div.annotation-body  { padding: 2px;
                     }

div.annotation-body p { margin-top: 0px;
                        padding-top: 0px;
                      }

div.annotation-close { position: absolute;
                       top: 2px;
                       right: 2px;
                     }
&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>annotation.support</parameter> is enabled and the
document contains <tag>annotation</tag>s, then the CSS in this
parameter will be included in the document.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="annotation.graphic.open">
<refmeta>
<refentrytitle>annotation.graphic.open</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
</refmeta>
<refnamediv>
<refname>annotation.graphic.open</refname>
<refpurpose>Image for identifying a link that opens an annotation popup</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="annotation.graphic.open.frag">
&lt;xsl:param name="annotation.graphic.open"&gt;http://docbook.sourceforge.net/release/images/annot-open.png&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This image is used inline to identify the location of
annotations. It may be replaced by a user provided graphic. The size should be approximately 10x10 pixels.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="annotation.graphic.close">
<refmeta>
<refentrytitle>annotation.graphic.close</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
</refmeta>
<refnamediv>
<refname>annotation.graphic.close</refname>
<refpurpose>Image for identifying a link that closes an annotation popup</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="annotation.graphic.close.frag">
&lt;xsl:param name="annotation.graphic.close"&gt;
http://docbook.sourceforge.net/release/images/annot-close.png&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This image is used on popup annotations as the &#8220;x&#8221; that the
user can click to dismiss the popup.</para>
<para>This image is used on popup annotations as the &#8220;x&#8221; that the user can
click to dismiss the popup. It may be replaced by a user provided graphic. The size should be approximately 10x10 pixels.</para>

</refsection>
</refentry>

</reference>
<reference xml:id="graphics"><title>Graphics</title>
<refentry version="5.0" xml:id="img.src.path">
<refmeta>
<refentrytitle>img.src.path</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>img.src.path</refname>
<refpurpose>Path to HTML/FO image files</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="img.src.path.frag">&lt;xsl:param name="img.src.path"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Add a path prefix to the value of the <tag class="attribute">fileref</tag> 
attribute of <tag>graphic</tag>, <tag>inlinegraphic</tag>, and <tag>imagedata</tag> elements. The resulting 
compound path is used in the output as the value of the <tag class="attribute">src</tag> 
attribute of <tag class="element">img</tag> (HTML) or <tag class="element">external-graphic</tag> (FO).
</para>

<para>
The path given by <literal>img.src.path</literal> could be relative to the directory where the HTML/FO
files are created, or it could be an absolute URI.
The default value is empty.
Be sure to include a trailing slash if needed.
</para>

<para>This prefix is not applied to any filerefs that start
with "/" or contain "//:".
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="keep.relative.image.uris">
<refmeta>
<refentrytitle>keep.relative.image.uris</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>keep.relative.image.uris</refname>
<refpurpose>Should image URIs be resolved against xml:base?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="keep.relative.image.uris.frag">
&lt;xsl:param name="keep.relative.image.uris" select="1"&gt;&lt;/xsl:param&gt;

</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, relative URIs (in, for example
<literal>fileref</literal> attributes) will be used in the generated
output. Otherwise, the URIs will be made absolute with respect to the
base URI.</para>

<para>Note that the stylesheets calculate (and use) the absolute form
for some purposes, this only applies to the resulting output.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="graphic.default.extension">
<refmeta>
<refentrytitle>graphic.default.extension</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>graphic.default.extension</refname>
<refpurpose>Default extension for graphic filenames</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="graphic.default.extension.frag">&lt;xsl:param name="graphic.default.extension"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If a <tag>graphic</tag> or <tag>mediaobject</tag>
includes a reference to a filename that does not include an extension,
and the <tag class="attribute">format</tag> attribute is
<emphasis>unspecified</emphasis>, the default extension will be used.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="default.image.width">
<refmeta>
<refentrytitle>default.image.width</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
</refmeta>
<refnamediv>
<refname>default.image.width</refname>
<refpurpose>The default width of images</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="default.image.width.frag">
&lt;xsl:param name="default.image.width"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If specified, this value will be used for the
<tag class="attribute">width</tag> attribute on images that do not specify any 
<emphasis xmlns:xlink="http://www.w3.org/1999/xlink" xlink:title="DocBook 5: The Definitive Guide" xlink:href="http://docbook.org/tdg5/en/html/imagedata.html#viewport.area">viewport dimensions</emphasis>.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="nominal.image.width">
<refmeta>
<refentrytitle>nominal.image.width</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
</refmeta>
<refnamediv>
<refname>nominal.image.width</refname>
<refpurpose>The nominal image width</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="nominal.image.width.frag">
&lt;xsl:param name="nominal.image.width" select="6 * $pixels.per.inch"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Graphic widths expressed as a percentage are problematic. In the
following discussion, we speak of width and contentwidth, but
the same issues apply to depth and contentdepth.</para>

<para>A width of 50% means "half of the available space for the image."
That's fine. But note that in HTML, this is a dynamic property and
the image size will vary if the browser window is resized.</para>

<para>A contentwidth of 50% means "half of the actual image width".
But what does that mean if the stylesheets cannot assess the image's
actual size? Treating this as a width of 50% is one possibility, but
it produces behavior (dynamic scaling) that seems entirely out of
character with the meaning.</para>

<para>Instead, the stylesheets define a
<parameter>nominal.image.width</parameter> and convert percentages to
actual values based on that nominal size.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="nominal.image.depth">
<refmeta>
<refentrytitle>nominal.image.depth</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
</refmeta>
<refnamediv>
<refname>nominal.image.depth</refname>
<refpurpose>Nominal image depth</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="nominal.image.depth.frag">
&lt;xsl:param name="nominal.image.depth" select="4 * $pixels.per.inch"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>See <parameter>nominal.image.width</parameter>.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="use.embed.for.svg">
<refmeta>
<refentrytitle>use.embed.for.svg</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>use.embed.for.svg</refname>
<refpurpose>Use HTML <tag>embed</tag> for SVG?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="use.embed.for.svg.frag">
&lt;xsl:param name="use.embed.for.svg" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, an <tag>embed</tag> element will be created for
SVG figures. An <tag>object</tag> is <emphasis>always</emphasis> created,
this parameter merely controls whether or not an additional <tag>embed</tag>
is generated inside the <tag>object</tag>.</para>

<para>On the plus side, this may be more portable among browsers and plug-ins.
On the minus side, it isn't valid HTML.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="make.graphic.viewport">
<refmeta>
<refentrytitle>make.graphic.viewport</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>make.graphic.viewport</refname>
<refpurpose>Use tables in HTML to make viewports for graphics</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="make.graphic.viewport.frag">
&lt;xsl:param name="make.graphic.viewport" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The HTML <tag>img</tag> element only supports the notion
of content-area scaling; it doesn't support the distinction between a
content-area and a viewport-area, so we have to make some compromises.</para>

<para>If <parameter>make.graphic.viewport</parameter> is non-zero, a table
will be used to frame the image. This creates an effective viewport-area.
</para>

<para>Tables and alignment don't work together, so this parameter is ignored
if alignment is specified on an image.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="preferred.mediaobject.role">
<refmeta>
<refentrytitle>preferred.mediaobject.role</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>preferred.mediaobject.role</refname>
<refpurpose>Select which mediaobject to use based on
this value of an object's <tag class="attribute">role</tag> attribute.
</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="preferred.mediaobject.role.frag">
&lt;xsl:param name="preferred.mediaobject.role"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>A mediaobject may contain several objects such as imageobjects.
If the parameter <parameter>use.role.for.mediaobject</parameter> is
non-zero, then the <literal>role</literal> attribute on
<tag>imageobject</tag>s and other objects within a
<tag>mediaobject</tag> container will be used to select which object
will be used.  If one of the objects has a role value that matches the
<parameter>preferred.mediaobject.role</parameter> parameter, then it
has first priority for selection.  If more than one has such a role
value, the first one is used.
</para>
<para>
See the <parameter>use.role.for.mediaobject</parameter> parameter
for the sequence of selection.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="use.role.for.mediaobject">
<refmeta>
<refentrytitle>use.role.for.mediaobject</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>use.role.for.mediaobject</refname>
<refpurpose>Use <tag class="attribute">role</tag> attribute 
value for selecting which of several objects within a mediaobject to use.
</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="use.role.for.mediaobject.frag">
&lt;xsl:param name="use.role.for.mediaobject" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the <tag class="attribute">role</tag> attribute on
<tag>imageobject</tag>s or other objects within a <tag>mediaobject</tag> container will be used to select which object will be
used.
</para>
<para>
The order of selection when then parameter is non-zero is:
</para>
<orderedlist>
<listitem>
    <para>If the stylesheet parameter <parameter>preferred.mediaobject.role</parameter> has a value, then the object whose role equals that value is selected.</para>
</listitem>
<listitem>
<para>Else if an object's role attribute has a value of
<literal>html</literal> for HTML processing or
<literal>fo</literal> for FO output, then the first
of such objects is selected.
</para>
</listitem>
<listitem>
<para>Else the first suitable object is selected.</para>
</listitem>
</orderedlist>
<para>
If the value of 
<parameter>use.role.for.mediaobject</parameter>
is zero, then role attributes are not considered
and the first suitable object
with or without a role value is used.
</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="ignore.image.scaling">
<refmeta>
<refentrytitle>ignore.image.scaling</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ignore.image.scaling</refname>
<refpurpose>Tell the stylesheets to ignore the author's image scaling attributes</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="ignore.image.scaling.frag">
&lt;xsl:param name="ignore.image.scaling" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the scaling attributes on graphics and media objects are
ignored.</para>

</refsection>
</refentry>

</reference>
<reference xml:id="chunking"><title>Chunking</title>
<refentry version="5.0" xml:id="chunker.output.cdata-section-elements">
<refmeta>
<refentrytitle>chunker.output.cdata-section-elements</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.cdata-section-elements</refname>
<refpurpose>List of elements to escape with CDATA sections</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.cdata-section-elements.frag">
&lt;xsl:param name="chunker.output.cdata-section-elements"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the list of elements that should be escaped
as CDATA sections by the chunking stylesheet.  Not all processors support
specification of this parameter.
</para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="chunker.output.doctype-public">
<refmeta>
<refentrytitle>chunker.output.doctype-public</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.doctype-public</refname>
<refpurpose>Public identifer to use in the document type of generated pages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.doctype-public.frag">
&lt;xsl:param name="chunker.output.doctype-public"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the public identifier that should be used by
the chunking stylesheet in the document type declaration of chunked pages.
Not all processors support specification of
this parameter.
</para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="chunker.output.doctype-system">
<refmeta>
<refentrytitle>chunker.output.doctype-system</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.doctype-system</refname>
<refpurpose>System identifier to use for the document type in generated pages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.doctype-system.frag">
&lt;xsl:param name="chunker.output.doctype-system"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the system identifier that should be used by
the chunking stylesheet in the document type declaration of chunked pages.
Not all processors support specification of
this parameter.
</para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="chunker.output.encoding">
<refmeta>
<refentrytitle>chunker.output.encoding</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.encoding</refname>
<refpurpose>Encoding used in generated pages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.encoding.frag">
&lt;xsl:param name="chunker.output.encoding"&gt;ISO-8859-1&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the encoding to be used in files
generated by the chunking stylesheet. Not all processors support
specification of this parameter.
</para>
<para>This parameter used to be named <literal>default.encoding</literal>.</para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="chunker.output.indent">
<refmeta>
<refentrytitle>chunker.output.indent</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.indent</refname>
<refpurpose>Specification of indentation on generated pages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.indent.frag">
&lt;xsl:param name="chunker.output.indent"&gt;no&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the value of the indent
specification for generated pages. Not all processors support
specification of this parameter.
</para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="chunker.output.media-type">
<refmeta>
<refentrytitle>chunker.output.media-type</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.media-type</refname>
<refpurpose>Media type to use in generated pages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.media-type.frag">
&lt;xsl:param name="chunker.output.media-type"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the media type that should be used by
the chunking stylesheet. Not all processors support specification of
this parameter.
</para>
<para>This parameter specifies the media type that should be used by the
chunking stylesheet. This should be one from those defined in
<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.ietf.org/rfc/rfc2045.txt">[RFC2045]</link>  and
 <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.ietf.org/rfc/rfc2046.txt">[RFC2046]</link> </para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
<para>It must be one from html, xml or text</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="chunker.output.method">
<refmeta>
<refentrytitle>chunker.output.method</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo>
<refmiscinfo class="other" otherclass="value">html</refmiscinfo>
<refmiscinfo class="other" otherclass="value">xml</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.method</refname>
<refpurpose>Method used in generated pages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.method.frag">
&lt;xsl:param name="chunker.output.method"&gt;html&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the output method to be used in files
generated by the chunking stylesheet.
</para>
<para>This parameter used to be named <literal>output.method</literal>.</para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="chunker.output.omit-xml-declaration">
<refmeta>
<refentrytitle>chunker.output.omit-xml-declaration</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.omit-xml-declaration</refname>
<refpurpose>Omit-xml-declaration for generated pages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.omit-xml-declaration.frag">
&lt;xsl:param name="chunker.output.omit-xml-declaration"&gt;no&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the value of the omit-xml-declaration
specification for generated pages. Not all processors support
specification of this parameter.
</para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="chunker.output.standalone">
<refmeta>
<refentrytitle>chunker.output.standalone</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunker.output.standalone</refname>
<refpurpose>Standalone declaration for generated pages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="chunker.output.standalone.frag">
&lt;xsl:param name="chunker.output.standalone"&gt;no&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>This parameter specifies the value of the standalone
  specification for generated pages. It must be either
  <literal>yes</literal> or <literal>no</literal>. Not all
  processors support specification of this parameter.
</para>
<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>
</refsection>
</refentry>

<refentry version="5.0" xml:id="saxon.character.representation">
<refmeta>
<refentrytitle>saxon.character.representation</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>saxon.character.representation</refname>
<refpurpose>Saxon character representation used in generated HTML pages</refpurpose>
</refnamediv>

<refsynopsisdiv>
  <programlisting xml:id="saxon.character.representation.frag">&lt;xsl:param name="saxon.character.representation" select="'entity;decimal'"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter has effect only when Saxon 6 is used (version 6.4.2 or later). 
It sets the character representation in files generated by the chunking stylesheets. 
If you want to suppress entity references for characters with direct representations in 
<parameter>chunker.output.encoding</parameter>, set the parameter value to <literal>native</literal>. 
</para>

<para> For more information, see <link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="OutputEncoding.html#SaxonCharacter">Saxon output character representation</link>.</para>

<note>
<para>This parameter is documented here, but the declaration is actually
in the <filename>chunker.xsl</filename> stylesheet module.</para>
</note>

</refsection>

</refentry>

<refentry version="5.0" xml:id="html.ext">
<refmeta>
<refentrytitle>html.ext</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.ext</refname>
<refpurpose>Identifies the extension of generated HTML files</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.ext.frag">
&lt;xsl:param name="html.ext"&gt;.html&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The extension identified by <parameter>html.ext</parameter> will
be used as the filename extension for chunks created by this
stylesheet. </para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="use.id.as.filename">
<refmeta>
<refentrytitle>use.id.as.filename</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>use.id.as.filename</refname>
<refpurpose>Use ID value of chunk elements as the filename?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="use.id.as.filename.frag">
&lt;xsl:param name="use.id.as.filename" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If <parameter>use.id.as.filename</parameter>
is non-zero, the filename of chunk elements that have IDs will be
derived from the ID value.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="html.extra.head.links">
<refmeta>
<refentrytitle>html.extra.head.links</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>html.extra.head.links</refname>
<refpurpose>Toggle extra HTML head link information</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="html.extra.head.links.frag">
&lt;xsl:param name="html.extra.head.links" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, extra <tag>link</tag> elements will be
generated in the <tag>head</tag> of chunked HTML files. These
extra links point to chapters, appendixes, sections, etc. as supported
by the <quote>Site Navigation Bar</quote> in Mozilla 1.0 (as of CR1, at least).
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="root.filename">
<refmeta>
<refentrytitle>root.filename</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
</refmeta>
<refnamediv>
<refname>root.filename</refname>
<refpurpose>Identifies the name of the root HTML file when chunking</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="root.filename.frag">
&lt;xsl:param name="root.filename"&gt;index&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>root.filename</parameter> is the base filename for
the chunk created for the root of each document processed.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="base.dir">
<refmeta>
<refentrytitle>base.dir</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
</refmeta>
<refnamediv>
<refname>base.dir</refname>
<refpurpose>The base directory of chunks</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="base.dir.frag">
&lt;xsl:param name="base.dir"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If specified, the <parameter>base.dir</parameter> identifies
the output directory for chunks. (If not specified, the output directory
is system dependent.)</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="generate.manifest">
  <refmeta>
    <refentrytitle>generate.manifest</refentrytitle>
    <refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>generate.manifest</refname>
    <refpurpose>Generate a manifest file?</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <programlisting xml:id="generate.manifest.frag">&lt;xsl:param name="generate.manifest" select="0"&gt;&lt;/xsl:param&gt;</programlisting>
  </refsynopsisdiv>

  <refsection><info><title>Description</title></info>

    <para>If non-zero, a list of HTML files generated by the
      stylesheet transformation is written to the file named by
      the <parameter>manifest</parameter> parameter.</para>

  </refsection>
</refentry>

<refentry version="5.0" xml:id="manifest">
  <refmeta>
    <refentrytitle>manifest</refentrytitle>
    <refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>manifest</refname>
    <refpurpose>Name of manifest file</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <programlisting xml:id="manifest.frag">
    &lt;xsl:param name="manifest"&gt;HTML.manifest&lt;/xsl:param&gt;
    </programlisting>
  </refsynopsisdiv>

  <refsection><info><title>Description</title></info>

    <para>The name of the file to which a manifest is written (if the
      value of the <parameter>generate.manifest</parameter> parameter
      is non-zero).</para>

  </refsection>
</refentry>

<refentry version="5.0" xml:id="manifest.in.base.dir">
<refmeta>
<refentrytitle>manifest.in.base.dir</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>manifest.in.base.dir</refname>
<refpurpose>Should the manifest file be written into <parameter>base.dir</parameter>?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="manifest.in.base.dir.frag">
&lt;xsl:param name="manifest.in.base.dir" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the manifest file as well as project files for HTML Help and
Eclipse Help are written into <parameter>base.dir</parameter> instead
of the current directory.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="chunk.toc">
<refmeta>
<refentrytitle>chunk.toc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunk.toc</refname>
<refpurpose>An explicit TOC to be used for chunking</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chunk.toc.frag">
&lt;xsl:param name="chunk.toc"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The <parameter>chunk.toc</parameter> identifies an explicit TOC that
will be used for chunking. This parameter is only used by the
<filename>chunktoc.xsl</filename> stylesheet (and customization layers built
from it).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="chunk.tocs.and.lots">
<refmeta>
<refentrytitle>chunk.tocs.and.lots</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunk.tocs.and.lots</refname>
<refpurpose>Should ToC and LoTs be in separate chunks?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chunk.tocs.and.lots.frag">
&lt;xsl:param name="chunk.tocs.and.lots" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, ToC and LoT (List of Examples, List of Figures, etc.)
will be put in a separate chunk. At the moment, this chunk is not in the
normal forward/backward navigation list. Instead, a new link is added to the
navigation footer.</para>

<para>This feature is still somewhat experimental. Feedback welcome.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="chunk.separate.lots">
<refmeta>
<refentrytitle>chunk.separate.lots</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunk.separate.lots</refname>
<refpurpose>Should each LoT be in its own separate chunk?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chunk.separate.lots.frag">
&lt;xsl:param name="chunk.separate.lots" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, each of the ToC and LoTs
(List of Examples, List of Figures, etc.)
will be put in its own separate chunk.
The title page includes generated links to each of the separate files.
</para>
<para>
This feature depends on the
<parameter>chunk.tocs.and.lots</parameter>
parameter also being non-zero. 
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="chunk.tocs.and.lots.has.title">
<refmeta>
<refentrytitle>chunk.tocs.and.lots.has.title</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunk.tocs.and.lots.has.title</refname>
<refpurpose>Should ToC and LoTs in a separate chunks have title?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chunk.tocs.and.lots.has.title.frag">
&lt;xsl:param name="chunk.tocs.and.lots.has.title" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero title of document is shown before ToC/LoT in
separate chunk.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="chunk.section.depth">
<refmeta>
<refentrytitle>chunk.section.depth</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunk.section.depth</refname>
<refpurpose>Depth to which sections should be chunked</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chunk.section.depth.frag">
&lt;xsl:param name="chunk.section.depth" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter sets the depth of section chunking.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="chunk.first.sections">
<refmeta>
<refentrytitle>chunk.first.sections</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunk.first.sections</refname>
<refpurpose>Chunk the first top-level section?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chunk.first.sections.frag">
&lt;xsl:param name="chunk.first.sections" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, a chunk will be created for the first top-level
<tag>sect1</tag> or <tag>section</tag> elements in
each component. Otherwise, that section will be part of the chunk for
its parent.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="chunk.quietly">
<refmeta>
<refentrytitle>chunk.quietly</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunk.quietly</refname>
<refpurpose>Omit the chunked filename messages.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chunk.quietly.frag">
&lt;xsl:param name="chunk.quietly" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If zero (the default), the XSL processor emits a message naming
each separate chunk filename as it is being output.
If nonzero, then the messages are suppressed.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="chunk.append">
<refmeta>
<refentrytitle>chunk.append</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>chunk.append</refname>
<refpurpose>Specifies content to append to chunked HTML output</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="chunk.append.frag">&lt;xsl:param name="chunk.append"&gt;&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies content to append to the end of HTML files output by
the <filename>html/chunk.xsl</filename> stylesheet, after the closing
<code>&lt;html&gt;</code> tag. You probably don&#8217;t want to set any value
for this parameter; but if you do, the only value it should ever be
set to is a newline character: <code>&amp;#x0a;</code> or
<code>&amp;#10;</code></para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="navig.graphics">
<refmeta>
<refentrytitle>navig.graphics</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>navig.graphics</refname>
<refpurpose>Use graphics in navigational headers and footers?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="navig.graphics.frag">
&lt;xsl:param name="navig.graphics" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the navigational headers and footers in chunked
HTML are presented in an alternate style that uses graphical icons for
Next, Previous, Up, and Home.  Default graphics are provided in the
distribution. If zero, text is used instead of graphics.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="navig.graphics.extension">
<refmeta>
<refentrytitle>navig.graphics.extension</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>navig.graphics.extension</refname>
<refpurpose>Extension for navigational graphics</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="navig.graphics.extension.frag">
&lt;xsl:param name="navig.graphics.extension"&gt;.gif&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Sets the filename extension to use on navigational graphics used
in the headers and footers of chunked HTML.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="navig.graphics.path">
<refmeta>
<refentrytitle>navig.graphics.path</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>navig.graphics.path</refname>
<refpurpose>Path to navigational graphics</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="navig.graphics.path.frag">
&lt;xsl:param name="navig.graphics.path"&gt;images/&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Sets the path, probably relative to the directory where the HTML
files are created, to the navigational graphics used in the
headers and footers of chunked HTML.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="navig.showtitles">
<refmeta>
<refentrytitle>navig.showtitles</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>navig.showtitles</refname>
<refpurpose>Display titles in HTML headers and footers?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="navig.showtitles.frag">&lt;xsl:param name="navig.showtitles"&gt;1&lt;/xsl:param&gt;</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero,
the headers and footers of chunked HTML
display the titles of the next and previous chunks,
along with the words 'Next' and 'Previous' (or the
equivalent graphical icons if navig.graphics is true).
If false (zero), then only the words 'Next' and 'Previous'
(or the icons) are displayed.
</para>

</refsection>
</refentry>

</reference>
<reference xml:id="profiling"><title>Profiling</title>
<partintro xml:id="partintro">
<para>The following parameters can be used for attribute-based
profiling of your document. For more information about profiling, see 
<link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="Profiling.html">Profiling (conditional text)</link>.</para>
</partintro>
<refentry version="5.0" xml:id="profile.arch">
<refmeta>
<refentrytitle>profile.arch</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.arch</refname>
<refpurpose>Target profile for <tag class="attribute">arch</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.arch.frag">
&lt;xsl:param name="profile.arch"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>


<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.audience">
<refmeta>
<refentrytitle>profile.audience</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.audience</refname>
<refpurpose>Target profile for <tag class="attribute">audience</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.audience.frag">
&lt;xsl:param name="profile.audience"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.condition">
<refmeta>
<refentrytitle>profile.condition</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.condition</refname>
<refpurpose>Target profile for <tag class="attribute">condition</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.condition.frag">
&lt;xsl:param name="profile.condition"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.conformance">
<refmeta>
<refentrytitle>profile.conformance</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.conformance</refname>
<refpurpose>Target profile for <tag class="attribute">conformance</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.conformance.frag">
&lt;xsl:param name="profile.conformance"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.lang">
<refmeta>
<refentrytitle>profile.lang</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.lang</refname>
<refpurpose>Target profile for <tag class="attribute">lang</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.lang.frag">
&lt;xsl:param name="profile.lang"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.os">
<refmeta>
<refentrytitle>profile.os</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.os</refname>
<refpurpose>Target profile for <tag class="attribute">os</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.os.frag">
&lt;xsl:param name="profile.os"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.revision">
<refmeta>
<refentrytitle>profile.revision</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.revision</refname>
<refpurpose>Target profile for <tag class="attribute">revision</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.revision.frag">
&lt;xsl:param name="profile.revision"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.revisionflag">
<refmeta>
<refentrytitle>profile.revisionflag</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.revisionflag</refname>
<refpurpose>Target profile for <tag class="attribute">revisionflag</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.revisionflag.frag">
&lt;xsl:param name="profile.revisionflag"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.role">
<refmeta>
<refentrytitle>profile.role</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.role</refname>
<refpurpose>Target profile for <tag class="attribute">role</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.role.frag">
&lt;xsl:param name="profile.role"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

<warning>
<para>Note that <tag class="attribute">role</tag> is often
used for other purposes than profiling. For example it is commonly
used to get emphasize in bold font:</para>

<programlisting>&lt;emphasis role="bold"&gt;very important&lt;/emphasis&gt;</programlisting>

<para>If you are using <tag class="attribute">role</tag> for
these purposes do not forget to add values like <literal>bold</literal> to
value of this parameter. If you forgot you will get document with
small pieces missing which are very hard to track.</para>

<para>For this reason it is not recommended to use <tag class="attribute">role</tag> attribute for profiling. You should
rather use profiling specific attributes like <tag class="attribute">userlevel</tag>, <tag class="attribute">os</tag>, <tag class="attribute">arch</tag>, <tag class="attribute">condition</tag>, etc.</para>
</warning>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.security">
<refmeta>
<refentrytitle>profile.security</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.security</refname>
<refpurpose>Target profile for <tag class="attribute">security</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.security.frag">
&lt;xsl:param name="profile.security"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.status">
<refmeta>
<refentrytitle>profile.status</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.status</refname>
<refpurpose>Target profile for <tag class="attribute">status</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.status.frag">
&lt;xsl:param name="profile.status"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.userlevel">
<refmeta>
<refentrytitle>profile.userlevel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.userlevel</refname>
<refpurpose>Target profile for <tag class="attribute">userlevel</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.userlevel.frag">
&lt;xsl:param name="profile.userlevel"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.vendor">
<refmeta>
<refentrytitle>profile.vendor</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.vendor</refname>
<refpurpose>Target profile for <tag class="attribute">vendor</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.vendor.frag">
&lt;xsl:param name="profile.vendor"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.wordsize">
<refmeta>
<refentrytitle>profile.wordsize</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.wordsize</refname>
<refpurpose>Target profile for <tag class="attribute">wordsize</tag>
attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.wordsize.frag">
&lt;xsl:param name="profile.wordsize"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.attribute">
<refmeta>
<refentrytitle>profile.attribute</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.attribute</refname>
<refpurpose>Name of user-specified profiling attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.attribute.frag">
&lt;xsl:param name="profile.attribute"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter is used in conjuction with
<parameter>profile.value</parameter>.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.value">
<refmeta>
<refentrytitle>profile.value</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.value</refname>
<refpurpose>Target profile for user-specified attribute</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.value.frag">
&lt;xsl:param name="profile.value"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>When you are using this parameter you must also specify name of
profiling attribute with parameter
<parameter>profile.attribute</parameter>.</para>

<para>The value of this parameter specifies profiles which should be
included in the output. You can specify multiple profiles by
separating them by semicolon. You can change separator character by
<parameter>profile.separator</parameter>
parameter.</para>

<para>This parameter has effect only when you are using profiling
stylesheets (<filename>profile-docbook.xsl</filename>,
<filename>profile-chunk.xsl</filename>, &#8230;) instead of normal
ones (<filename>docbook.xsl</filename>,
<filename>chunk.xsl</filename>, &#8230;).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="profile.separator">
<refmeta>
<refentrytitle>profile.separator</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>profile.separator</refname>
<refpurpose>Separator character for compound profile values</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="profile.separator.frag">
&lt;xsl:param name="profile.separator"&gt;;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Separator character used for compound profile values. See <parameter>profile.arch</parameter></para>

</refsection>
</refentry>

</reference>
<reference xml:id="htmlhelp"><title>HTML Help</title>
<refentry version="5.0" xml:id="htmlhelp.encoding">
<refmeta>
<refentrytitle>htmlhelp.encoding</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.encoding</refname>
<refpurpose>Character encoding to use in files for HTML Help compiler.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.encoding.frag">
&lt;xsl:param name="htmlhelp.encoding"&gt;iso-8859-1&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>HTML Help Compiler is not UTF-8 aware, so you should always use an
appropriate single-byte encoding here. Use one from <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ftp://ftp.isi.edu/in-notes/iana/assignments/character-sets">iana</link>, the  registered charset values.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.autolabel">
<refmeta>
<refentrytitle>htmlhelp.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.autolabel</refname>
<refpurpose>Should tree-like ToC use autonumbering feature?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.autolabel.frag">
&lt;xsl:param name="htmlhelp.autolabel" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set this to non-zero to include chapter and section numbers into ToC
in the left panel.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.chm">
<refmeta>
<refentrytitle>htmlhelp.chm</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.chm</refname>
<refpurpose>Filename of output HTML Help file.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.chm.frag">
&lt;xsl:param name="htmlhelp.chm"&gt;htmlhelp.chm&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set the  name of resulting CHM file</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.default.topic">
<refmeta>
<refentrytitle>htmlhelp.default.topic</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.default.topic</refname>
<refpurpose>Name of file with default topic</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.default.topic.frag">
&lt;xsl:param name="htmlhelp.default.topic"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Normally first chunk of document is displayed when you open HTML
Help file. If you want to display another topic, simply set its
filename by this parameter.</para>

<para>This is useful especially if you don't generate ToC in front of
your document and you also hide root element in ToC. E.g.:</para>

<programlisting>&lt;xsl:param name="generate.book.toc" select="0"/&gt;
&lt;xsl:param name="htmlhelp.hhc.show.root" select="0"/&gt;
&lt;xsl:param name="htmlhelp.default.topic"&gt;pr01.html&lt;/xsl:param&gt;
</programlisting>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.display.progress">
<refmeta>
<refentrytitle>htmlhelp.display.progress</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.display.progress</refname>
<refpurpose>Display compile progress?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.display.progress.frag">
&lt;xsl:param name="htmlhelp.display.progress" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to to display compile progress
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhp">
<refmeta>
<refentrytitle>htmlhelp.hhp</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhp</refname>
<refpurpose>Filename of project file.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhp.frag">
&lt;xsl:param name="htmlhelp.hhp"&gt;htmlhelp.hhp&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Change this parameter if you want different name of project
file than htmlhelp.hhp.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhc">
<refmeta>
<refentrytitle>htmlhelp.hhc</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhc</refname>
<refpurpose>Filename of TOC file.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhc.frag">
&lt;xsl:param name="htmlhelp.hhc"&gt;toc.hhc&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set the name of the TOC file. The default is <filename>toc.hhc</filename>.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhk">
<refmeta>
<refentrytitle>htmlhelp.hhk</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhk</refname>
<refpurpose>Filename of index file.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhk.frag">
&lt;xsl:param name="htmlhelp.hhk"&gt;index.hhk&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>set the name of the index file. The default is <filename>index.hhk</filename>.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhp.tail">
<refmeta>
<refentrytitle>htmlhelp.hhp.tail</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhp.tail</refname>
<refpurpose>Additional content for project file.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhp.tail.frag">
&lt;xsl:param name="htmlhelp.hhp.tail"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If you want to include some additional parameters into project file,
store appropriate part of project file into this parameter.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhp.window">
<refmeta>
<refentrytitle>htmlhelp.hhp.window</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhp.window</refname>
<refpurpose>Name of default window.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhp.window.frag">
&lt;xsl:param name="htmlhelp.hhp.window"&gt;Main&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Name of default window. If empty no [WINDOWS] section will be
added to project file.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhp.windows">
<refmeta>
<refentrytitle>htmlhelp.hhp.windows</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhp.windows</refname>
<refpurpose>Definition of additional windows</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhp.windows.frag">
&lt;xsl:param name="htmlhelp.hhp.windows"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Content of this parameter is placed at the end of [WINDOWS]
section of project file. You can use it for defining your own
addtional windows.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.enhanced.decompilation">
<refmeta>
<refentrytitle>htmlhelp.enhanced.decompilation</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.enhanced.decompilation</refname>
<refpurpose>Allow enhanced decompilation of CHM?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.enhanced.decompilation.frag">
&lt;xsl:param name="htmlhelp.enhanced.decompilation" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>When non-zero this parameter enables enhanced decompilation of CHM.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.enumerate.images">
<refmeta>
<refentrytitle>htmlhelp.enumerate.images</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.enumerate.images</refname>
<refpurpose>Should the paths to all used images be added to the project file?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.enumerate.images.frag">
&lt;xsl:param name="htmlhelp.enumerate.images" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero if you insert images into your documents as
external binary entities or if you are using absolute image paths.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.force.map.and.alias">
<refmeta>
<refentrytitle>htmlhelp.force.map.and.alias</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.force.map.and.alias</refname>
<refpurpose>Should [MAP] and [ALIAS] sections be added to the project file unconditionally?</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="htmlhelp.force.map.and.alias.frag">
&lt;xsl:param name="htmlhelp.force.map.and.alias" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
  <para>Set to non-zero if you have your own
    <literal>alias.h</literal> and <literal>context.h</literal>
    files and you want to include references to them in the project
    file.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.map.file">
<refmeta>
<refentrytitle>htmlhelp.map.file</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.map.file</refname>
<refpurpose>Filename of map file.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="htmlhelp.map.file.frag">
&lt;xsl:param name="htmlhelp.map.file"&gt;context.h&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>Set the name of map file. The default is
  <filename>context.h</filename>. (used for context-sensitive
  help).</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.alias.file">
<refmeta>
<refentrytitle>htmlhelp.alias.file</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.alias.file</refname>
<refpurpose>Filename of alias file.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.alias.file.frag">
&lt;xsl:param name="htmlhelp.alias.file"&gt;alias.h&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Specifies the filename of the alias file (used for context-sensitive help).</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhc.section.depth">
<refmeta>
<refentrytitle>htmlhelp.hhc.section.depth</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhc.section.depth</refname>
<refpurpose>Depth of TOC for sections in a left pane.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhc.section.depth.frag">
&lt;xsl:param name="htmlhelp.hhc.section.depth"&gt;5&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set the section depth in the left pane of HTML Help viewer. </para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhc.show.root">
<refmeta>
<refentrytitle>htmlhelp.hhc.show.root</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhc.show.root</refname>
<refpurpose>Should there be an entry for the root element in the ToC?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhc.show.root.frag">
&lt;xsl:param name="htmlhelp.hhc.show.root" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If set to zero, there will be no entry for the root element in the 
ToC. This is useful when you want to provide the user with an expanded
ToC as a default.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhc.folders.instead.books">
<refmeta>
<refentrytitle>htmlhelp.hhc.folders.instead.books</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhc.folders.instead.books</refname>
<refpurpose>Use folder icons in ToC (instead of book icons)?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhc.folders.instead.books.frag">
&lt;xsl:param name="htmlhelp.hhc.folders.instead.books" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero for folder-like icons or zero for book-like icons in the ToC. 
If you want to use folder-like icons, you must switch off the binary ToC using 
<parameter>htmlhelp.hhc.binary</parameter>.

</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhc.binary">
<refmeta>
<refentrytitle>htmlhelp.hhc.binary</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhc.binary</refname>
<refpurpose>Generate binary ToC?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhc.binary.frag">
&lt;xsl:param name="htmlhelp.hhc.binary" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to generate a binary TOC. You must create a binary TOC
if you want to add Prev/Next buttons to toolbar (which is default
behaviour). Files with binary TOC can't be merged.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.hhc.width">
<refmeta>
<refentrytitle>htmlhelp.hhc.width</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.hhc.width</refname>
<refpurpose>Width of navigation pane</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.hhc.width.frag">
&lt;xsl:param name="htmlhelp.hhc.width"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter specifies the width of the navigation pane (containing TOC and
other navigation tabs) in pixels.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.title">
<refmeta>
<refentrytitle>htmlhelp.title</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.title</refname>
<refpurpose>Title of HTML Help</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.title.frag">
&lt;xsl:param name="htmlhelp.title"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Content of this parameter will be used as a title for generated
HTML Help. If empty, title will be automatically taken from document.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.show.menu">
<refmeta>
<refentrytitle>htmlhelp.show.menu</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.show.menu</refname>
<refpurpose>Should the menu bar be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.show.menu.frag">
&lt;xsl:param name="htmlhelp.show.menu" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to have an application menu bar in your HTML Help window.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.show.toolbar.text">
<refmeta>
<refentrytitle>htmlhelp.show.toolbar.text</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.show.toolbar.text</refname>
<refpurpose>Show text under toolbar buttons?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.show.toolbar.text.frag">
&lt;xsl:param name="htmlhelp.show.toolbar.text" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to display texts under toolbar buttons, zero to switch
off displays.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.show.advanced.search">
<refmeta>
<refentrytitle>htmlhelp.show.advanced.search</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.show.advanced.search</refname>
<refpurpose>Should advanced search features be available?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.show.advanced.search.frag">
&lt;xsl:param name="htmlhelp.show.advanced.search" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If you want advanced search features in your help, turn this
parameter to 1.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.show.favorities">
<refmeta>
<refentrytitle>htmlhelp.show.favorities</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.show.favorities</refname>
<refpurpose>Should the Favorites tab be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.show.favorities.frag">
&lt;xsl:param name="htmlhelp.show.favorities" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include a Favorites tab in the navigation pane 
of the help window.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.hideshow">
<refmeta>
<refentrytitle>htmlhelp.button.hideshow</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.hideshow</refname>
<refpurpose>Should the Hide/Show button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.hideshow.frag">
&lt;xsl:param name="htmlhelp.button.hideshow" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the  Hide/Show button shown on toolbar</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.back">
<refmeta>
<refentrytitle>htmlhelp.button.back</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.back</refname>
<refpurpose>Should the Back button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.back.frag">
&lt;xsl:param name="htmlhelp.button.back" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the  Hide/Show button shown on toolbar</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.forward">
<refmeta>
<refentrytitle>htmlhelp.button.forward</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.forward</refname>
<refpurpose>Should the Forward button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.forward.frag">
&lt;xsl:param name="htmlhelp.button.forward" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the  Forward button  on the toolbar.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.stop">
<refmeta>
<refentrytitle>htmlhelp.button.stop</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.stop</refname>
<refpurpose>Should the Stop button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.stop.frag">
&lt;xsl:param name="htmlhelp.button.stop" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If you want Stop button shown on toolbar, turn this
parameter to 1.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.refresh">
<refmeta>
<refentrytitle>htmlhelp.button.refresh</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.refresh</refname>
<refpurpose>Should the Refresh button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.refresh.frag">
&lt;xsl:param name="htmlhelp.button.refresh" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the Stop button  on the toolbar.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.home">
<refmeta>
<refentrytitle>htmlhelp.button.home</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.home</refname>
<refpurpose>Should the Home button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.home.frag">
&lt;xsl:param name="htmlhelp.button.home" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the Home button  on the toolbar.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.home.url">
<refmeta>
<refentrytitle>htmlhelp.button.home.url</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.home.url</refname>
<refpurpose>URL address of page accessible by Home button</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.home.url.frag">
&lt;xsl:param name="htmlhelp.button.home.url"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>URL address of page accessible by Home button.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.options">
<refmeta>
<refentrytitle>htmlhelp.button.options</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.options</refname>
<refpurpose>Should the Options button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.options.frag">
&lt;xsl:param name="htmlhelp.button.options" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If you want Options button shown on toolbar, turn this
parameter to 1.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.print">
<refmeta>
<refentrytitle>htmlhelp.button.print</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.print</refname>
<refpurpose>Should the Print button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.print.frag">
&lt;xsl:param name="htmlhelp.button.print" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the Print button  on the toolbar.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.locate">
<refmeta>
<refentrytitle>htmlhelp.button.locate</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.locate</refname>
<refpurpose>Should the Locate button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.locate.frag">
&lt;xsl:param name="htmlhelp.button.locate" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If you want Locate button shown on toolbar, turn this
parameter to 1.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.jump1">
<refmeta>
<refentrytitle>htmlhelp.button.jump1</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.jump1</refname>
<refpurpose>Should the Jump1 button be shown?</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.jump1.frag">
&lt;xsl:param name="htmlhelp.button.jump1" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
  <para>Set to non-zero to include the <literal>Jump1</literal> button on the toolbar.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.jump1.url">
<refmeta>
<refentrytitle>htmlhelp.button.jump1.url</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.jump1.url</refname>
<refpurpose>URL address of page accessible by Jump1 button</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.jump1.url.frag">
&lt;xsl:param name="htmlhelp.button.jump1.url"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>URL address of page accessible by Jump1 button.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.jump1.title">
<refmeta>
<refentrytitle>htmlhelp.button.jump1.title</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.jump1.title</refname>
<refpurpose>Title of Jump1 button</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.jump1.title.frag">
&lt;xsl:param name="htmlhelp.button.jump1.title"&gt;User1&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Title of Jump1 button.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.jump2">
<refmeta>
<refentrytitle>htmlhelp.button.jump2</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.jump2</refname>
<refpurpose>Should the Jump2 button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.jump2.frag">
&lt;xsl:param name="htmlhelp.button.jump2" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the Jump2 button  on the toolbar.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.jump2.url">
<refmeta>
<refentrytitle>htmlhelp.button.jump2.url</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.jump2.url</refname>
<refpurpose>URL address of page accessible by Jump2 button</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.jump2.url.frag">
&lt;xsl:param name="htmlhelp.button.jump2.url"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>URL address of page accessible by Jump2 button.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.jump2.title">
<refmeta>
<refentrytitle>htmlhelp.button.jump2.title</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.jump2.title</refname>
<refpurpose>Title of Jump2 button</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.jump2.title.frag">
&lt;xsl:param name="htmlhelp.button.jump2.title"&gt;User2&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Title of Jump2 button.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.next">
<refmeta>
<refentrytitle>htmlhelp.button.next</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.next</refname>
<refpurpose>Should the Next button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.next.frag">
&lt;xsl:param name="htmlhelp.button.next" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the Next button  on the toolbar.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.prev">
<refmeta>
<refentrytitle>htmlhelp.button.prev</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.prev</refname>
<refpurpose>Should the Prev button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.prev.frag">
&lt;xsl:param name="htmlhelp.button.prev" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the Prev button  on the toolbar.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.button.zoom">
<refmeta>
<refentrytitle>htmlhelp.button.zoom</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.button.zoom</refname>
<refpurpose>Should the Zoom button be shown?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.button.zoom.frag">
&lt;xsl:param name="htmlhelp.button.zoom" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to include the Zoom button  on the toolbar.
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.remember.window.position">
<refmeta>
<refentrytitle>htmlhelp.remember.window.position</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.remember.window.position</refname>
<refpurpose>Remember help window position?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.remember.window.position.frag">
&lt;xsl:param name="htmlhelp.remember.window.position" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Set to non-zero to remember help window position between starts.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.window.geometry">
<refmeta>
<refentrytitle>htmlhelp.window.geometry</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.window.geometry</refname>
<refpurpose>Set initial geometry of help window</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.window.geometry.frag">
&lt;xsl:param name="htmlhelp.window.geometry"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>This parameter specifies initial position of help
window. E.g.</para>

<programlisting>&lt;xsl:param name="htmlhelp.window.geometry"&gt;[160,64,992,704]&lt;/xsl:param&gt;</programlisting>

</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.use.hhk">
<refmeta>
<refentrytitle>htmlhelp.use.hhk</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.use.hhk</refname>
<refpurpose>Should the index be built using the HHK file?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.use.hhk.frag">
&lt;xsl:param name="htmlhelp.use.hhk" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the index is created using the HHK file (instead of using <tag role="html">object</tag>
elements in the HTML files). For more information, see <link xmlns:xlink="http://www.w3.org/1999/xlink" role="tcg" xlink:href="HtmlHelp.html#HHGenIndex">Generating an index</link>.</para>
</refsection>
</refentry>

<refentry version="5.0" xml:id="htmlhelp.only">
<refmeta>
<refentrytitle>htmlhelp.only</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>htmlhelp.only</refname>
<refpurpose>Should only project files be generated?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="htmlhelp.only.frag">
&lt;xsl:param name="htmlhelp.only" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>


<para>Set to non-zero if you want to play with various HTML Help parameters
and you don't need to regenerate all HTML files. This setting will not
process whole document, only project files (hhp, hhc, hhk,...) will be
generated.</para>


</refsection>
</refentry>

</reference>
<reference xml:id="eclipse_help"><title>Eclipse Help Platform</title>
<refentry version="5.0" xml:id="eclipse.autolabel">
<refmeta>
<refentrytitle>eclipse.autolabel</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>eclipse.autolabel</refname>
<refpurpose>Should tree-like ToC use autonumbering feature?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="eclipse.autolabel.frag">
&lt;xsl:param name="eclipse.autolabel" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If you want to include chapter and section numbers into ToC in
the left panel, set this parameter to 1.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="eclipse.plugin.name">
<refmeta>
<refentrytitle>eclipse.plugin.name</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>eclipse.plugin.name</refname>
<refpurpose>Eclipse Help plugin name</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="eclipse.plugin.name.frag">
&lt;xsl:param name="eclipse.plugin.name"&gt;DocBook Online Help Sample&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Eclipse Help plugin name.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="eclipse.plugin.id">
<refmeta>
<refentrytitle>eclipse.plugin.id</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>eclipse.plugin.id</refname>
<refpurpose>Eclipse Help plugin id</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="eclipse.plugin.id.frag">
&lt;xsl:param name="eclipse.plugin.id"&gt;com.example.help&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Eclipse Help plugin id. You should change this id to something
unique for each help.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="eclipse.plugin.provider">
<refmeta>
<refentrytitle>eclipse.plugin.provider</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>eclipse.plugin.provider</refname>
<refpurpose>Eclipse Help plugin provider name</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="eclipse.plugin.provider.frag">
&lt;xsl:param name="eclipse.plugin.provider"&gt;Example provider&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Eclipse Help plugin provider name.</para>

</refsection>
</refentry>

</reference>
<reference xml:id="javahelp"><title>JavaHelp</title>
<refentry version="5.0" xml:id="javahelp.encoding">
<refmeta>
<refentrytitle>javahelp.encoding</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>javahelp.encoding</refname>
<refpurpose>Character encoding to use in control files for JavaHelp.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="javahelp.encoding.frag">
&lt;xsl:param name="javahelp.encoding"&gt;iso-8859-1&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>
  
<para>JavaHelp crashes on some characters when written as character
references. In that case you can use this parameter to select an appropriate encoding.</para>
  
</refsection>
</refentry>




</reference>
<reference xml:id="l10n"><title>Localization</title>
<refentry version="5.0" xml:id="l10n.gentext.language">
<refmeta>
<refentrytitle>l10n.gentext.language</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>l10n.gentext.language</refname>
<refpurpose>Sets the gentext language</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="l10n.gentext.language.frag">
&lt;xsl:param name="l10n.gentext.language"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If this parameter is set to any value other than the empty string, its
value will be used as the value for the language when generating text. Setting
<parameter>l10n.gentext.language</parameter> overrides any settings within the
document being formatted.</para>

<para>It's much more likely that you might want to set the
<parameter>l10n.gentext.default.language</parameter> parameter.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="l10n.gentext.default.language">
  <refmeta>
    <refentrytitle>l10n.gentext.default.language</refentrytitle>
    <refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>l10n.gentext.default.language</refname>
    <refpurpose>Sets the default language for generated text</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
<programlisting xml:id="l10n.gentext.default.language.frag">
&lt;xsl:param name="l10n.gentext.default.language"&gt;en&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>The value of the <parameter>l10n.gentext.default.language</parameter>
parameter is used as the language for generated text if no setting is provided
in the source document.</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="l10n.gentext.use.xref.language">
<refmeta>
<refentrytitle>l10n.gentext.use.xref.language</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>l10n.gentext.use.xref.language</refname>
<refpurpose>Use the language of target when generating cross-reference text?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="l10n.gentext.use.xref.language.frag">
&lt;xsl:param name="l10n.gentext.use.xref.language" select="0"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, the language of the target will be used when
generating cross reference text. Usually, the <quote>current</quote>
language is used when generating text (that is, the language of the
element that contains the cross-reference element). But setting this parameter
allows the language of the element <emphasis>pointed to</emphasis> to control
the generated text.</para>

<para>Consider the following example:</para>

<informalexample>
<programlisting>&lt;para lang="en"&gt;See also &lt;xref linkend="chap3"/&gt;.&lt;/para&gt;
</programlisting>
</informalexample>

<para>Suppose that Chapter 3 happens to be written in German.
If <parameter>l10n.gentext.use.xref.language</parameter> is non-zero, the
resulting text will be something like this:</para>

<blockquote>
<para>See also Kapital 3.</para>
</blockquote>

<para>Where the more traditional rendering would be:</para>

<blockquote>
<para>See also Chapter 3.</para>
</blockquote>

</refsection>
</refentry>

<refentry version="5.0" xml:id="l10n.lang.value.rfc.compliant">
<refmeta>
<refentrytitle>l10n.lang.value.rfc.compliant</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>l10n.lang.value.rfc.compliant</refname>
<refpurpose>Make value of lang attribute RFC compliant?</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="l10n.lang.value.rfc.compliant.frag">
&lt;xsl:param name="l10n.lang.value.rfc.compliant" select="1"&gt;&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>If non-zero, ensure that the values for all <tag class="attribute">lang</tag> attributes in HTML output are RFC
compliant<footnote><para>Section 8.1.1, <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.w3.org/TR/REC-html40/struct/dirlang.html#h-8.1.1">Language Codes</link>, in the HTML 4.0 Recommendation states that:

<blockquote><para>[RFC1766] defines and explains the language codes
that must be used in HTML documents.</para>
<para>Briefly, language codes consist of a primary code and a possibly
empty series of subcodes:

<literallayout class="monospaced">language-code = primary-code ( "-" subcode )*</literallayout>
</para>
<para>And in RFC 1766, <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.ietf.org/rfc/rfc1766.txt">Tags for the Identification
of Languages</link>, the EBNF for "language tag" is given as:

<literallayout class="monospaced">Language-Tag = Primary-tag *( "-" Subtag )
Primary-tag = 1*8ALPHA
Subtag = 1*8ALPHA</literallayout>
</para>
</blockquote>
</para></footnote>.

by taking any underscore characters in any <tag class="attribute">lang</tag> values found in source documents, and
replacing them with hyphen characters in output HTML files. For
example, <literal>zh_CN</literal> in a source document becomes
<literal>zh-CN</literal> in the HTML output form that source.

<note>
<para>This parameter does not cause any case change in <tag class="attribute">lang</tag> values, because RFC 1766
explicitly states that all "language tags" (as it calls them) "are
to be treated as case insensitive".</para>
</note>
</para>

</refsection>
</refentry>

<refentry version="5.0" xml:id="writing.mode">
<refmeta>
<refentrytitle>writing.mode</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
</refmeta>
<refnamediv>
<refname>writing.mode</refname>
<refpurpose>Direction of text flow based on locale</refpurpose>
</refnamediv>

<refsynopsisdiv>
<programlisting xml:id="writing.mode.frag">
&lt;xsl:param name="writing.mode"&gt;
  &lt;xsl:call-template name="gentext"&gt;
    &lt;xsl:with-param name="key"&gt;writing-mode&lt;/xsl:with-param&gt;
    &lt;xsl:with-param name="lang"&gt;
      &lt;xsl:call-template name="l10n.language"&gt;
        &lt;xsl:with-param name="target" select="/*[1]"&gt;&lt;/xsl:with-param&gt;
      &lt;/xsl:call-template&gt;
    &lt;/xsl:with-param&gt;
  &lt;/xsl:call-template&gt;
&lt;/xsl:param&gt;
</programlisting>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para>Sets direction of text flow and text alignment based on locale.
The value is normally taken from the gentext file for the 
lang attribute of the document's root element, using the 
key name 'writing-mode' to look it up in the gentext file.
But the param can also be
set on the command line to override that gentext value.
</para>
<para>Accepted values are:
<variablelist>
  <varlistentry>
    <term>lr-tb</term>
    <listitem>
      <para>Left-to-right text flow in each line, lines stack top to bottom.</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>rl-tb</term>
    <listitem>
      <para>Right-to-left text flow in each line, lines stack top to bottom.</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>tb-rl</term>
    <listitem>
      <para>Top-to-bottom text flow in each vertical line, lines stack right to left.
      Supported by only a few XSL-FO processors. Not supported in HTML output.</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>lr</term>
    <listitem>
      <para>Shorthand for lr-tb.</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>rl</term>
    <listitem>
      <para>Shorthand for rl-tb.</para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term>tb</term>
    <listitem>
      <para>Shorthand for tb-rl.</para>
    </listitem>
  </varlistentry>
</variablelist>
</para>

</refsection>
</refentry>

</reference>
<appendix xml:id="stylesheet"><title>The Stylesheet</title>

<para>The <filename>param.xsl</filename> stylesheet is just a wrapper
around all these parameters.</para>

<programlisting xml:id="top">

&lt;!-- This file is generated from param.xweb --&gt;

&lt;xsl:stylesheet exclude-result-prefixes="src" version="1.0"&gt;

&lt;!-- ********************************************************************
     $Id: param.xweb 8552 2009-12-07 17:45:26Z bobstayton $
     ********************************************************************

     This file is part of the XSL DocBook Stylesheet distribution.
     See ../README or http://docbook.sf.net/release/xsl/current/ for
     copyright and other information.

     ******************************************************************** --&gt;

&lt;src:fragref linkend="abstract.notitle.enabled.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="admon.graphics.extension.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="admon.graphics.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="admon.graphics.path.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="admon.style.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="admon.textlabel.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="annotate.toc.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="annotation.css.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="annotation.graphic.close.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="annotation.graphic.open.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="annotation.js.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="annotation.support.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="appendix.autolabel.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="author.othername.in.middle.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="autotoc.label.in.hyperlink.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="autotoc.label.separator.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="base.dir.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="biblioentry.item.separator.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="bibliography.collection.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="bibliography.numbered.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="bibliography.style.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="blurb.on.titlepage.enabled.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="bridgehead.in.toc.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.defaultcolumn.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.graphics.extension.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.graphics.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.graphics.number.limit.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.graphics.path.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.list.table.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.unicode.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.unicode.number.limit.frag"&gt;&lt;/src:fragref&gt;
&lt;src:fragref linkend="callout.unicode.start.character.frag"&gt;&lt;/src:fragref&gt;
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</programlisting>

</appendix>
</book>