I think it's easier to add "constraints" to existing WYSIWYG apps, than to create something from scratch. Like, take MS Word and enforce using only styles (no i

I think it's easier to add "constraints" to existing WYSIWYG apps, than to create something from scratch. Like, take MS Word and enforce using only styles (no inline formatting), no more than 1 consecutive space and line break, etc. In the end, you'll get a well formatted XML.