FRAME_PIXEL_X_FROM_CANON_X 1571 src/window.c     x = FRAME_PIXEL_X_FROM_CANON_X (f, lx) + FRAME_INTERNAL_BORDER_WIDTH (f);
FRAME_PIXEL_X_FROM_CANON_X 1745 src/window.c   				  (FRAME_PIXEL_X_FROM_CANON_X (f, x)