<A target="_blank" href="http://dontpanic82.blogspot.com/2011/02/xpages-richtexteditor-custom-partial.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+dontpanic82+%28DontPanic+-+a+blog+about+Lotus+Notes+%2F+Domino%29">Tommy Valand found that RichTextEditor</A> plus custom partial refresh and validation error equaled lost content in XPages. He's posted some code to work around the problem.