Thats a good point. I guess in order to keep the true nature of a custom style then I should probably run some checks on the css style they specify and reject any that try javascript or include html. The class name is fine but you then have to have a bunch of predefined styles to use.

I've made some changes to the geshi plugin that people may find useful.

The first change is to allow a css style to be applied to the code area so that one can add an outline and color the background. In addition to this I added a default style option to the configuration where you can specify the ...