http://bugs.winehq.org/show_bug.cgi?id=14523
--- Comment #3 from Dylan Smith dylan.ah.smith@gmail.com 2008-07-18 07:11:30 --- My fix is in the git tree: e86a1d623af8daf6c4807198cd53530403454fcc richedit: Fixed regression that caused endless loop.
Could you test it to make sure it works for you.