INTERNAL_BORDER_BOTTOM_LEFT_CORNER 2587 src/frame.c    	     part = INTERNAL_BORDER_BOTTOM_LEFT_CORNER;
INTERNAL_BORDER_BOTTOM_LEFT_CORNER 2609 src/frame.c    	     part = INTERNAL_BORDER_BOTTOM_LEFT_CORNER;
INTERNAL_BORDER_BOTTOM_LEFT_CORNER 35515 src/xdisp.c    	case INTERNAL_BORDER_BOTTOM_LEFT_CORNER: