Something should be done about the links though ... I think I had a quick look at the Richtext code once to try and fix the link thing but ran out of time.
Yes, there probably needs to be some help there to explain all this and recommend external web editors. Note that the moodle data filespace can be shared using SMB, Appletalk, NFS etc and edited directly from a remote desktop system.
Something also on my wishlist is to have direct access with Composer in Mozilla.