"I would be remiss not to mention Nicolas Deschildre and Adam Treat helping us to bring WYSIWYG, or as I prefer to call it Visual Page Layout (VPL), to Quanta. We have a positive expectation of delivering a fairly complete implementation for KDE 3.2."
further reading of the subject.
Nicolas Deschildre/kafka into quanta
looks like quanta is very serious about stepping up to the plate with wysiwyg html editor on linux.
if you value what they are trying to do then seriously consider donating a few dollars to help out. ;-)