MATRIX_ROW_START_BYTEPOS  936 src/dispnew.c    MATRIX_ROW_START_BYTEPOS (row) += delta_bytes;
MATRIX_ROW_START_BYTEPOS 1509 src/dispnew.c        eassert (MATRIX_ROW_START_BYTEPOS (row)
MATRIX_ROW_START_BYTEPOS 1532 src/dispnew.c  		   == MATRIX_ROW_START_BYTEPOS (next));
MATRIX_ROW_START_BYTEPOS 17019 src/xdisp.c    				 - MATRIX_ROW_START_BYTEPOS (row));
MATRIX_ROW_START_BYTEPOS 18523 src/xdisp.c    	    = MATRIX_ROW_START_BYTEPOS (row) + delta_bytes;
MATRIX_ROW_START_BYTEPOS 20165 src/xdisp.c    			    MATRIX_ROW_START_BYTEPOS (row));
MATRIX_ROW_START_BYTEPOS 22016 src/xdisp.c    	  && BYTEPOS (start) == MATRIX_ROW_START_BYTEPOS (r0) + Z_delta_bytes