User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b5) Gecko/2008032620 Firefox/3.0b5 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b5) Gecko/2008032620 Firefox/3.0b5 Unable to use tab key inside text editor. Pressing tab key takes the focus out of the editor. But it works upto firefox 2.0.0.14 Reproducible: Always Steps to Reproduce: 1.Go to some text editor 2.Use tab key to move the cursor 3. Actual Results: Cursor focus moves out of the text editor Expected Results: Focus should be within the editor

For normal textareas (such as the one for Bugzilla comments), Tab has been "move focus from the textarea" rather than "insert a Tab spacing character" for years. designMode (rich text editing) recently changed to match this; see bug 426690.