* Do not attempt blockquote reordering when composing a plaintext message with no blockquotes.
* Fix the code reading identity-specific prefs.
* The easiest way to do this requires Thunderbird 7+. Will add support for older versions if anyone complains.
* Remove innerHTML from everything but the heading catcher.

* Bump compatibility.
* Remove innerHTML from blockquote conversion.

* Restore the user's reply_on_top preference after messing it up.
* Prevent the status bar from reversing by reducing the number of global variables.

* Add a stylesheet for the prefwindow.
* Make sure that signatures at the top level are under "--" but not "---" or something longer.