+%.pdf: %.xml $(IMAGES) $(XSLTS)
+ $(DBLATEX) $<
+
+# Alternative processing path to dblatex is to use xmlto using fop to
+# create PDF like this. The PDF output (visual design) is better, but
+# the PDF index and footnote handling is worse and images are missing.
+# xmlto --noautosize --stringparam paper.type=A5 \
+# --with-fop pdf $<
+
+# Third alternative is to use xsltproc and fop directly, as
+# recommended by <URL: http://www.sagehill.net/docbookxsl/index.html > .
+# This include images, but the index and footnote handling is
+# broken.
+# xsltproc \
+# --output myfile.fo \
+# --stringparam paper.type A5 \
+# /usr/share/xml/docbook/stylesheet/docbook-xsl/fo/docbook.xsl \
+# $<
+# fop -fo myfile.fo -pdf $@