UpdateRegionState 11494 magick/display.c       if ((state & UpdateRegionState) != 0)
UpdateRegionState 11564 magick/display.c           state&=(~UpdateRegionState);
UpdateRegionState 11620 magick/display.c             state|=UpdateRegionState;
UpdateRegionState 11776 magick/display.c                 state|=UpdateRegionState;