Scott Andrew LePera says contentEditable in Mozilla is coming. I should hope so.
Update 18 Oct 1:36pm: I wrote the following as a comment to Tony Collen's item on this, but decided I should say less, so I post it here:
I'd rather argue against innerHTML than an editable content widget. Arguing against the "contenteditable" attribute is fine, but when it holds up a feature just about everyone wants, I'd rather have the feature and lose the argument.
Having to tell people on the Radio UserLand discussion group that, no, the rich text editor really is only for Internet Explorer for Windows isn't my favorite experience. One chap seemed to think UserLand availing themselves of the IEWin feature instead of investing the massive effort to make the same thing in other browsers made UserLand Microsoft's lapdog. I tried writing a JavaScript rich editor widget, with and without Q42's code, and though I had several things that kinda worked, doing it well was beyond my ken.
Having researched the IEWin contenteditable enough to explain it, I hope the Mozilla folk setting this up understand it's an opportunity to do it better than IEWin does it.
Then I read this item and its link and some of Tony's comments in the Bugzilla bug, and as I see this as rather unreasonable for HTML and the web are now, I decided to say nothing.