Normally when you move the mouse over the button, it will change colour when moving in / moving out, as intended. At the same time you see (debug output) how every visible paragraph is repainted.
I intended to use single-paragraph repaint, but this was proved impossible right now. A lots of repaints (CPU) will be used for a whole screen of buttons, although normal (less than 10 buttons per screen?) use seems to be fine.
However, if you do the following: 1) go to a location away from the button, 2) click to place the text cursor there, and 3) either insert or delete a character ... the button will go "dead" and not respond to mouse-over anymore. And you see that _only_ the paragraph the text cursor is in, gets repainted.
Good catch. I will have a look. Bo
