Considering the somewhat-still-new guidelines we have for editing own question to include revised code, how should we handle old questions which violates this guideline and are, more or less, a mess?
Should we flag for moderator attention? (Not sure what would a moderator could do that others can't though, putting a historical lock on it perhaps but that would prevent further votes)
Should we rollback the question and post a comment to the new guidelines? (even though the question might be more than a year old)
Should we just leave it alone?
A little investigation has revealed that there are quite a bunch of these old questions out there, so guidelines for how to handle them would be good.