4222 sub_equal(regsub_T *sub1, regsub_T *sub2)  in sub_equal()  argument
4231     todo = sub1->in_use > sub2->in_use ? sub1->in_use : sub2->in_use;  in sub_equal()
4236 	    if (i < sub1->in_use)  in sub_equal()
4237 		s1 = sub1->list.multi[i].start_lnum;  in sub_equal()
4246 	    if (s1 != -1 && sub1->list.multi[i].start_col  in sub_equal()
4252 		if (i < sub1->in_use)  in sub_equal()
4253 		    s1 = sub1->list.multi[i].end_lnum;  in sub_equal()
4262 		if (s1 != -1 && sub1->list.multi[i].end_col  in sub_equal()
4272 	    if (i < sub1->in_use)  in sub_equal()
4273 		sp1 = sub1->list.line[i].start;  in sub_equal()
4284 		if (i < sub1->in_use)  in sub_equal()
4285 		    sp1 = sub1->list.line[i].end;  in sub_equal()