After almost 10 years, MediaWiki still has no support for a WYSIWYG editor. The metapage explaining various info about this topic states that
The problem is that any WYSIWYG editor would have to know wikitext grammar, and no full grammar for wikitext exists - the "parser" doesn't parse, it's a twisty series of regular expressions.
So - is it technically impossible, or no successfull effort has been made to specify the grammar?
