This issue is reported as fixed upstream: https://savannah.gnu.org/bugs/?func=detailitem&item_id=5452 But, more interestingly: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=351562 Apparently, this is the intended behaviour. -- Case insesitive option in find dialog is broken https://launchpad.net/malone/bugs/37983