row_equal_p      4461 src/dispnew.c    while (entry && !row_equal_p (entry->row, row, 1))
row_equal_p      4537 src/dispnew.c  	  && row_equal_p (c, d, 1))
row_equal_p      4614 src/dispnew.c           && row_equal_p (MATRIX_ROW (desired_matrix, i - 1),