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+<refentry xmlns="http://docbook.org/ns/docbook"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:xi="http://www.w3.org/2001/XInclude"
+ xmlns:src="http://nwalsh.com/xmlns/litprog/fragment"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ version="5.0" xml:id="page.width">
+<refmeta>
+<refentrytitle>page.width</refentrytitle>
+<refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
+</refmeta>
+<refnamediv>
+<refname>page.width</refname>
+<refpurpose>The width of the physical page</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+<src:fragment xml:id="page.width.frag"><xsl:param name="page.width">
+ <xsl:choose>
+ <xsl:when test="$page.orientation = 'portrait'">
+ <xsl:value-of select="$page.width.portrait"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="$page.height.portrait"/>
+ </xsl:otherwise>
+ </xsl:choose>
+</xsl:param></src:fragment>
+</refsynopsisdiv>
+
+<refsection><info><title>Description</title></info>
+
+<para>The page width is generally calculated from the
+<parameter>paper.type</parameter> and
+<parameter>page.orientation</parameter> parameters.</para>
+
+</refsection>
+</refentry>