In the past we could search. Changing the hidden iframe to a hidden div where the html filtered content goes from attribute to inner html.
Created attachment 188143 [details] [review] Bug 41053: Move notice contents to hidden div With thanks to Jonathan for suggesting this direction. Test plan: Go to patron detail, notices tab for a patron with some notices. Look for a string that only occurs in the notice text of some notice. Without this patch, you should not find that one. With this patch, you should find it. Manipulate the text of a notice to check display of bad html. (Click title.) * Like: update message_queue set content='<p>test</p><a href="' where message_id=X; Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>