[Please do not mail me a copy of your followup] I get this error when I try to build the boost.test documentation and I'm not sure where it's coming from or what to do about it. Since the HTML files are commmitted to the repository, I can't tell if the documentation was actually generated or not. D:\Code\boost\svn-boost-trunk\libs\test\doc>b2 standalone ...found 39 targets... ...updating 1 target... xslt-xsltproc-dir.windows html\standalone_HTML.manifest XPath error : Undefined namespace prefix set XML_CATALOG_FILES=../../../bin.v2/boostbook_catalog.xml "d:/code/boost/boost-tools/bin/xsltproc.exe" --stringparam boost.defaults "Boos t" --stringparam chunk.toc "/D:/Code/boost/svn-boost-trunk/libs/test/doc/src/btl -toc.xml" --stringparam example.dir "file:///D:/Code/boost/svn-boost-trunk/libs/ test/doc/src/examples" --stringparam manifest "standalone_HTML.manifest" --strin gparam manual.toc "/D:/Code/boost/svn-boost-trunk/libs/test/doc/src/btl-toc.xml" --stringparam snippet.dir "file:///D:/Code/boost/svn-boost-trunk/libs/test/doc/ src/snippet" --path "D:\Code\boost\svn-boost-trunk\libs\test\doc/src" --xinclude -o "html/" "D:\Code\boost\svn-boost-trunk\libs\test\doc\src\xsl\html.xsl" "..\. .\..\bin.v2\libs\test\doc\msvc-11.0\debug\utf-boostbook-on\src\btl.docbook" ...failed xslt-xsltproc-dir.windows html\standalone_HTML.manifest... ...failed updating 1 target... D:\Code\boost\svn-boost-trunk\libs\test\doc> Any suggestions? -- "The Direct3D Graphics Pipeline" free book http://tinyurl.com/d3d-pipeline The Computer Graphics Museum http://computergraphicsmuseum.org The Terminals Wiki http://terminals.classiccmp.org Legalize Adulthood! (my blog) http://legalizeadulthood.wordpress.com