Download
cd into the DocBook-Xml directory. ( /usr/local/share/DocBook-Xml )
Untar the files into the DocBook-Xml directory.
Each tarfile will create its own subdirectory.
Make the xsl symbolic link. ( xsl -> docbook-xsl-1.50.0 )
Test slides in the tests subdirectory.
CSS documentation in docbook-dsssl-doc-1.75.tar.gz