Thanks for reply. I have tried to reproduce the issues in the above example and with latest dll and able to reproduce the first and third point above but the second one is working fine now. Some detail regarding above points
1. It is straight forward and easy to reproduce just try to change the font as I have mentioned above.
2. This is the issue with IE 7 not mozilla just select all(ctrl+a) and press "U" it underline the text but if you press again it is not removing underline.
Other than those below are couple of more:
3. In the "Font" dropdown itself in IE 7 the "Wingdings" font name display as some special characters while in mozilla it is fine.
4. In mozilla the "Zoom" dropdown is not visible. Even in your demo example too.