49     int		save_char = NUL;  in internal_format()
94 		+ char2cells(c != NUL ? c : gchar_cursor());  in internal_format()
139 	    if (curwin->w_cursor.col == startcol && c != NUL)  in internal_format()
279 			ncc = (ncc != NUL) ? ncc : c;  in internal_format()
289 				      ncc == NUL? 0 : curwin->w_cursor.col;  in internal_format()
336 	    saved_text[startcol] = NUL;  in internal_format()
376 							    FALSE, NUL, TRUE);  in internal_format()
432     if (save_char != NUL)		// put back space after cursor  in internal_format()
477     return (*skipwhite(ptr + *leader_len) == NUL  in fmt_check_par()
479 	    || startPS(lnum, NUL, FALSE));  in fmt_check_par()
491     if (*s == NUL)  in ends_in_white()
535 		if (*(ml_get(lnum) + leader1_len) == NUL)  in same_leader()
589     if (*p == NUL)  in paragraph_start()
646     if (*old != NUL && !trailblank && wasatend)  in auto_format()
706 	    pnew[len + 1] = NUL;  in auto_format()
745 	    if (c != NUL)  in check_auto_format()
882     if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0)  in op_formatexpr()
1089 				 *curbuf->b_p_inde != NUL ? get_expr_indent() :  in format_lines()
1110 		insertchar(NUL, INSCHAR_FORMAT  in format_lines()