Yeah but that chance of indent, adding : is a sort of PITA, because it is *not* WYSIWYG (as in emails/newsgroups).
There's nothing stopping you from writing a WYSIWYG editor for Wiki mark-up. :-)
_paranoia_ ??? It happened to me 3 times,
What happened to you three times? That a comment of yours was edited? That is to be expected, and perfectly alright. That it was edited maliciously and nobody reverted it? That's hard to believe.
(Spam in say gmane seems not a huge problem to me)
This is because friendly list administrators clean out the spam behind the scenes so you don't have to. Just because you can't see it doesn't mean it doesn't exist ;-)
Timwi