tailhook/tilenol — pull request #12 by KenjiTakahashi (2012-11-04 06:00:37+00:00)
Title: Filled highlight for groupbox.

It looks like this:
![screenshot](http://dl.dropbox.com/u/20714377/filled_groupbox.png)
I had to move the highlight code up a bit, so the text is printed after highlight, but I think it doesn't matter much.