38994 2010-05-12 08:30:29 -0700 Support for HTML5 undo history and UndoManager DOM interface 2012-01-20 18:02:46 -0800 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) All All RESOLVED WONTFIX http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#undo HTML5 P4 Enhancement --- 32934 40829 0 michelangelo webkit-unassigned ap eoconnor eric hesselink jchaffraix mike peter rniwa webkit webmaster oldest_to_newest 224631 0 michelangelo 2010-05-12 08:30:29 -0700 As per summary, WebCore should be supporting undo history and its related UndoManager interface. 539959 1 eric 2012-01-20 17:39:40 -0800 I'm not sure this bug is useful as-is. 539963 2 mike 2012-01-20 17:42:43 -0800 For the record here, the UndoManager feature that was in the HTML5 spec has since been removed, and Ryosuke Niwa has been working on an alternate spec: http://rniwa.com/editing/undomanager.html