ONLamp.com: Rich Web Text Editing with Kupu, an open source JavaScript WYSIWYG rich text editor. Seems like one of many solutions at this point, but the article is a nice introduction to this particular project.
This is BrainLog, a blog by Dan Sanderson. Older entries, from October 1999 through September 2010, are preserved for posterity, but are no longer maintained. See the front page and newer entries.
May 4, 2005