+.PHONY: all clean
+
+all: book/index.html help.pdf
+
+book/index.html: ch*.xml help.xml
+ mkdir -p book/images
+ cp images/*.png book/images/
+ xsltproc --stringparam chunker.output.encoding "utf-8" -o book/ --xinclude /usr/share/sgml/docbook/xsl-stylesheets/html/chunk.xsl help.xml
+
+help.pdf: ch*.xml help.xml
+ dblatex -b xetex -I. help.xml