id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc 11901,Horizonal line is duplicated after undo (Chrome),ndeuma,,"Create two paragraphs with a horizontal line in between, like this:
a
b
Position the cursor before the ""b"" Press ""Backspace"" twice Press ""Undo"" twice Expected:a
b
Actual:a
b
b
Tested with Chrome 34.0.1847.131 m",Bug,closed,Normal,,Core : Undo & Redo,4.0.1,expired,,