I have started the update of MediaWiki 1.11.2 to incorporate Blahtex functionality. My goal is to have pages that validate as correct XHTML+MathML. The work is being detailed here.

The update is not trivial. The current hacked version of MediaWiki at BerliOS that incorporates blahtex is based on version 1.7. The MediaWiki installation I am playing with is at the latest version: 1.11.2. To figure out how to concentrate on the relevant parts, I am using Unix utilities diff and wc. Basically, I start by counting lines and try to figure out how many new lines are accounted for by new classes or functions added.