Last modified: 2014-04-16 23:50:13 UTC
Turning on debugging in IE9 and then hitting "Edit" ends up with this in the console: SCRIPT16389: Unspecified error. load.php?debug=false&lang=en&modules=ext.visualEditor.core%2Cdata%2Cicons- vector%7Cext.visualEditor.viewPageTarget.icons-vector%7Crangy&skin=vector& version=20140408T180250Z&*, line 642 character 159 The line that is highlighted (running with "Format JavaScript" checked) is: this.nativeSelection.addRange(getNativeRange(range).cloneRange());