I tried to adapt the wiki2xhtml php class in a plugin to format the posts (wki syntax to xhtml valid), but I don't manage to make it work.
This class is used in Dotclear.
It was show in the admin plugins panel, i activated it, but... the filter is not applied, I think even the filters I tried to remove are still here..
The plugin file is here (renamed to .txt for being able to see it :-) : http://bau.tuxmania.org/wiki2xhtml.php.txt
Probably there's something wrong, I didn't find it...
..so if anyone has an idea ;)