Adding a lightweight Relax NG schema on top of an unmodified base schema offers an advantage that Schematron constraints cannot provide: Content completion.

An introduction to XSpec, a useful unit testing framework for XSLT and XQuery.

XML Prague: A practical conference, a meeting of minds, a growing community, a conference about XML in a beautiful and ancient city.

There is a great deal of complexity to the XML technology stack which has not proven necessary considering the profile of XML use in practice. XML users would benefit greatly from a round of simplification to improve efficiency of processors and reduce hostility among mainstream developers. This is also key to preserving and perhaps boosting XML's relevance. This article is first in a series advocating particular steps to such simplification.

OASIS is a good place to create open business information exchange standards. This article gives you some pointers on how to go about doing that.

An overview of Hachette's trade book publishing system.

A look at the upcoming XSLT 3.0 release, and why it matters beyond the XML community

A rough guide to the relative performance of XSLT systems on some simple XSLT 1.0 test cases.

An introduction to the OASIS DITA standard, by one of the creators and foremost practitioners.

In defense of multiple schema languages for XML, but Schematron in particular.