1988 diff_equal_char(char_u *p1, char_u *p2, int *len)  in diff_equal_char()  argument
1992     if (l != (*mb_ptr2len)(p2))  in diff_equal_char()
1996 	if (STRNCMP(p1, p2, l) != 0  in diff_equal_char()
2000 						!= utf_fold(utf_ptr2char(p2))))  in diff_equal_char()
2006 	if ((*p1 != *p2)  in diff_equal_char()
2008 		    || TOLOWER_LOC(*p1) != TOLOWER_LOC(*p2)))  in diff_equal_char()
2022     char_u	*p1, *p2;  in diff_cmp()  local
2035     p2 = s2;  in diff_cmp()
2038     while (*p1 != NUL && *p2 != NUL)  in diff_cmp()
2041 		    && VIM_ISWHITE(*p1) && VIM_ISWHITE(*p2))  in diff_cmp()
2043 		    && (VIM_ISWHITE(*p1) || VIM_ISWHITE(*p2))))  in diff_cmp()
2046 	    p2 = skipwhite(p2);  in diff_cmp()
2050 	    if (!diff_equal_char(p1, p2, &l))  in diff_cmp()
2053 	    p2 += l;  in diff_cmp()
2059     p2 = skipwhite(p2);  in diff_cmp()
2060     if (*p1 != NUL || *p2 != NUL)  in diff_cmp()
2401     char_u	*p1, *p2;  in diff_find_change()  local
2496 			p2 = line_new + ei_new;  in diff_find_change()
2498 			p2 -= (*mb_head_off)(line_new, p2);  in diff_find_change()
2499 			if (!diff_equal_char(p1, p2, &l))  in diff_find_change()