> Interesting new stuff in it is the use of Gnome::Canvas::Rect > (libs/libgnomecanvasmm/libgnomecanvasmm/rect.h) > instead of Gnome::Canvas::SimpleRect (gtk2_ardour/simplerect.h) the simplerect is used because it is an order of magnitude (or more) faster to redraw than the regular rect. we absolutely do not want to use Rect.