How about a plugin adding a [[preprocessor_directive|preprocessordirective]] to render some given LaTeX and include it in the page? This could either render the LaTeX as a PNG via [[debpkg dvipng]] and include the resulting image in the page, or perhaps render via [HeVeA](http://pauillac.inria.fr/~maranget/hevea/index.html) or similar. Useful for mathematics, as well as for stuff like the LaTeX version of the ikiwiki [[/logo]]. [[tag soc]]