Brion Vibber wrote:
Possibility 2:
- You're running an old version of ParserFunctions which doesn't know
how to plug in to the new parser preprocessor.
The versions in both trunk and branches/REL1_12 seem fine, I tested them both, so I don't know where you might have gotten an old one.
ParserFuncions don't came with Mediawiki, something which has lead to fustration on many mw admins here, which take them as forming part of wikitext. As people have to separately download them, some people is probably not updating them when they update mediawiki. Also, there're chances that they're getting an old tar from some site (some distro repository perhaps?).