Looking for a useful DocBook XML editor, I came across XXE which is not Open Source, but freely available as a “standard edition”. Definitely worth to give it a try.
Tag docbook_xml
DocBook XSL: The Complete Guide
Bob Stayton has released DocBook XSL: The Complete Guide, an online book covering “all aspects of DocBook XML publishing tools, including installing, using, and customizing the XSL stylesheets and processing tools.”
Sandro Groganz 