A couple of weeks ago I was reading through plans for WordPress. One item came to mind today: editable text block.
Thinking of it today, seems to me ExtJS would do the trick.
Have a Div; on click, open some sort of popup containing the text with at least basic edit control (The discussion I'd read was about incorporating some WYSIWYG.) and, of course, function to save the revised Div.
Doable, yes? (I really do need to ask; I dare assume nothing at all.)
--@bentrem aka @ITGeek
p.s. is possible to save both the original and the revised, yes? to leave a History?