MATRIX_ROW_OVERLAPS_SUCC_P 3596 src/dispnew.c  	  if (MATRIX_ROW_OVERLAPS_SUCC_P (row) && bottom_y < yb
MATRIX_ROW_OVERLAPS_SUCC_P 23318 src/xdisp.c          row->overlapping_p = (MATRIX_ROW_OVERLAPS_SUCC_P (row)
MATRIX_ROW_OVERLAPS_SUCC_P 33573 src/xdisp.c    	      && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1))