Created attachment 273510 [details] testcase When pressing the enter key in an inline contenteditable element, it doesn't work. No line-break is created.
I think this bug is related to many of these http://www.google.com/search?hl=en&q=tab+and+enter+not+working+firefox&btnG=Search problems. I had the same problem in 3.0.4 @ Ubuntu 8.10 with Firebug enabled, disabling Firebug solved it.
I have the same bug