Jeff Rose suggested a new feature for my Ruby folding voodoo for Vim: comments above a method/class definition should be
included in the fold, while keeping the foldtext (so you still see def mymethod(*a) when the fold is closed). It seems I'm developing some tolerance against Vimscript and this was not too hard to implement.
So here's what folds (still) look like
The new behavior is illustrated by the following animation (which also shows the basic usage of my xmp Ruby evaluator/annotator):