cp -r ../style/docbook.css ../style/common.css ../xhtml/changelog
xsltproc --xinclude --stringparam html.stylesheet docbook.css  --stringparam chunker.output.encoding UTF-8  --stringparam chunk.section.depth 0  --stringparam project_url http://docs.tendra.org/  --stringparam project_name sid -o ../xhtml/changelog/ ../xsl/tendra-docbook-chunked.xsl changelog.xml
error : Unknown IO error
warning: failed to load external entity "http://docbook.sourceforge.net/release/xsl/current/xhtml/highlight.xsl"
compilation error: file http://docbook.sourceforge.net/release/xsl/current/xhtml/verbatim.xsl line 17 element include
xsl:include : unable to load http://docbook.sourceforge.net/release/xsl/current/xhtml/highlight.xsl
*** Error code 5

Stop in /home/tobiasu/work/sid/doc/changelog (line 36 of ../doctools/Mk/docbook.mk).
*** Error code 1

Stop in /home/tobiasu/work/sid/doc (line 6 of Makefile).
*** Error code 1

Stop in /home/tobiasu/work/sid (line 4 of Makefile).