id summary reporter owner description type status priority milestone component version resolution keywords cc 10795 [IE10 Quirks Mode]Not code formating in source mode Piotr Jasiun "1. Remove DOCTYPE declaration (``) from ""Replace Textareas by Class Name"" sample (`samples/replacebyclass.html`). 2. Open sample in IE 10. 3. Switch to source mode. Result: no code formatting (see attachment). 4.2.1 is first version with IE 10 QM support." Bug confirmed Normal General 4.2.1 IE10