351 static char_u *get_syn_pattern(char_u *arg, synpat_T *ci);
352 static int get_id_list(char_u **arg, int keylen, short **list, int skip);
3323     char_u	*arg = eap->arg;  in syn_cmd_conceal()  local
3326     eap->nextcmd = find_nextcmd(arg);  in syn_cmd_conceal()
3330     next = skiptowhite(arg);  in syn_cmd_conceal()
3331     if (*arg == NUL)  in syn_cmd_conceal()
3338     else if (STRNICMP(arg, "on", 2) == 0 && next - arg == 2)  in syn_cmd_conceal()
3340     else if (STRNICMP(arg, "off", 3) == 0 && next - arg == 3)  in syn_cmd_conceal()
3343 	semsg(_(e_illegal_arg), arg);  in syn_cmd_conceal()
3353     char_u	*arg = eap->arg;  in syn_cmd_case()  local
3356     eap->nextcmd = find_nextcmd(arg);  in syn_cmd_case()
3360     next = skiptowhite(arg);  in syn_cmd_case()
3361     if (*arg == NUL)  in syn_cmd_case()
3368     else if (STRNICMP(arg, "match", 5) == 0 && next - arg == 5)  in syn_cmd_case()
3370     else if (STRNICMP(arg, "ignore", 6) == 0 && next - arg == 6)  in syn_cmd_case()
3373 	semsg(_(e_illegal_arg), arg);  in syn_cmd_case()
3382     char_u *arg = eap->arg;  in syn_cmd_foldlevel()  local
3385     eap->nextcmd = find_nextcmd(arg);  in syn_cmd_foldlevel()
3389     if (*arg == NUL)  in syn_cmd_foldlevel()
3400     arg_end = skiptowhite(arg);  in syn_cmd_foldlevel()
3401     if (STRNICMP(arg, "start", 5) == 0 && arg_end - arg == 5)  in syn_cmd_foldlevel()
3403     else if (STRNICMP(arg, "minimum", 7) == 0 && arg_end - arg == 7)  in syn_cmd_foldlevel()
3407 	semsg(_(e_illegal_arg), arg);  in syn_cmd_foldlevel()
3411     arg = skipwhite(arg_end);  in syn_cmd_foldlevel()
3412     if (*arg != NUL)  in syn_cmd_foldlevel()
3414 	semsg(_(e_illegal_arg), arg);  in syn_cmd_foldlevel()
3424     char_u	*arg = eap->arg;  in syn_cmd_spell()  local
3427     eap->nextcmd = find_nextcmd(arg);  in syn_cmd_spell()
3431     next = skiptowhite(arg);  in syn_cmd_spell()
3432     if (*arg == NUL)  in syn_cmd_spell()
3441     else if (STRNICMP(arg, "toplevel", 8) == 0 && next - arg == 8)  in syn_cmd_spell()
3443     else if (STRNICMP(arg, "notoplevel", 10) == 0 && next - arg == 10)  in syn_cmd_spell()
3445     else if (STRNICMP(arg, "default", 7) == 0 && next - arg == 7)  in syn_cmd_spell()
3449 	semsg(_(e_illegal_arg), arg);  in syn_cmd_spell()
3463     char_u	*arg = eap->arg;  in syn_cmd_iskeyword()  local
3470     arg = skipwhite(arg);  in syn_cmd_iskeyword()
3471     if (*arg == NUL)  in syn_cmd_iskeyword()
3484 	if (STRNICMP(arg, "clear", 5) == 0)  in syn_cmd_iskeyword()
3494 	    curbuf->b_p_isk = vim_strsave(arg);  in syn_cmd_iskeyword()
3661     char_u	*arg = eap->arg;  in syn_cmd_clear()  local
3665     eap->nextcmd = find_nextcmd(arg);  in syn_cmd_clear()
3678     if (ends_excmd2(eap->cmd, arg))  in syn_cmd_clear()
3698 	while (!ends_excmd2(eap->cmd, arg))  in syn_cmd_clear()
3700 	    arg_end = skiptowhite(arg);  in syn_cmd_clear()
3701 	    if (*arg == '@')  in syn_cmd_clear()
3703 		id = syn_scl_namen2id(arg + 1, (int)(arg_end - arg - 1));  in syn_cmd_clear()
3706 		    semsg(_("E391: No such syntax cluster: %s"), arg);  in syn_cmd_clear()
3723 		id = syn_namen2id(arg, (int)(arg_end - arg));  in syn_cmd_clear()
3726 		    semsg(_(e_no_such_highlight_group_name_str), arg);  in syn_cmd_clear()
3732 	    arg = skipwhite(arg_end);  in syn_cmd_clear()
3792     set_nextcmd(eap, eap->arg);  in syn_cmd_reset()
3824     set_nextcmd(eap, eap->arg);  in syn_cmd_onoff()
3841     char_u	*arg = eap->arg;  in syn_cmd_list()  local
3845     eap->nextcmd = find_nextcmd(arg);  in syn_cmd_list()
3894     if (ends_excmd2(eap->cmd, arg))  in syn_cmd_list()
3909 	while (!ends_excmd2(eap->cmd, arg) && !got_int)  in syn_cmd_list()
3911 	    arg_end = skiptowhite(arg);  in syn_cmd_list()
3912 	    if (*arg == '@')  in syn_cmd_list()
3914 		id = syn_scl_namen2id(arg + 1, (int)(arg_end - arg - 1));  in syn_cmd_list()
3916 		    semsg(_("E392: No such syntax cluster: %s"), arg);  in syn_cmd_list()
3922 		id = syn_namen2id(arg, (int)(arg_end - arg));  in syn_cmd_list()
3924 		    semsg(_(e_no_such_highlight_group_name_str), arg);  in syn_cmd_list()
3928 	    arg = skipwhite(arg_end);  in syn_cmd_list()
3931     set_nextcmd(eap, arg);  in syn_cmd_list()
4492     char_u	*arg,		// start of the argument  in get_group_name()  argument
4497     *name_end = skiptowhite(arg);  in get_group_name()
4504     if (ends_excmd(*arg) || *rest == NUL)  in get_group_name()
4524     char_u	*arg = start;  in get_syn_options()  local
4558     if (arg == NULL)		// already detected error  in get_syn_options()
4573 	if (strchr(first_letters, *arg) == NULL)  in get_syn_options()
4580 		if (arg[len] != p[i] && arg[len] != p[i + 1])  in get_syn_options()
4582 	    if (p[i] == NUL && (VIM_ISWHITE(arg[len])  in get_syn_options()
4584 					 ? arg[len] == '='  in get_syn_options()
4585 					 : ends_excmd2(start, arg + len))))  in get_syn_options()
4606 	    if (get_id_list(&arg, 8, &opt->cont_list, skip) == FAIL)  in get_syn_options()
4611 	    if (get_id_list(&arg, 11, &opt->cont_in_list, skip) == FAIL)  in get_syn_options()
4616 	    if (get_id_list(&arg, 9, &opt->next_list, skip) == FAIL)  in get_syn_options()
4619 	else if (flagtab[fidx].argtype == 11 && arg[5] == '=')  in get_syn_options()
4625 		*conceal_char = mb_ptr2char(arg + 6);  in get_syn_options()
4627 		arg += mb_ptr2len(arg + 6) - 1;  in get_syn_options()
4632 		*conceal_char = arg[6];  in get_syn_options()
4644 	    arg = skipwhite(arg + 7);  in get_syn_options()
4649 	    arg = skipwhite(arg + len);  in get_syn_options()
4659 		gname_start = arg;  in get_syn_options()
4660 		arg = skiptowhite(arg);  in get_syn_options()
4661 		if (gname_start == arg)  in get_syn_options()
4663 		gname = vim_strnsave(gname_start, arg - gname_start);  in get_syn_options()
4688 		arg = skipwhite(arg);  in get_syn_options()
4699     return arg;  in get_syn_options()
4735     char_u	*arg = eap->arg;  in syn_cmd_include()  local
4744     eap->nextcmd = find_nextcmd(arg);  in syn_cmd_include()
4748     if (arg[0] == '@')  in syn_cmd_include()
4750 	++arg;  in syn_cmd_include()
4751 	rest = get_group_name(arg, &group_name_end);  in syn_cmd_include()
4757 	sgl_id = syn_check_cluster(arg, (int)(group_name_end - arg));  in syn_cmd_include()
4761 	eap->arg = rest;  in syn_cmd_include()
4770     if (*eap->arg == '<' || *eap->arg == '$' || mch_isFullName(eap->arg))  in syn_cmd_include()
4797     if (source ? do_source(eap->arg, FALSE, DOSO_NONE, NULL) == FAIL  in syn_cmd_include()
4798 				: source_runtime(eap->arg, DIP_ALL) == FAIL)  in syn_cmd_include()
4799 	semsg(_(e_notopen), eap->arg);  in syn_cmd_include()
4810     char_u	*arg = eap->arg;  in syn_cmd_keyword()  local
4821     rest = get_group_name(arg, &group_name_end);  in syn_cmd_keyword()
4828 	    syn_id = syn_check_group(arg, (int)(group_name_end - arg));  in syn_cmd_keyword()
4848 	    for ( ; rest != NULL && !ends_excmd2(eap->arg, rest);  in syn_cmd_keyword()
4853 		if (rest == NULL || ends_excmd2(eap->arg, rest))  in syn_cmd_keyword()
4926 	semsg(_(e_invarg2), arg);  in syn_cmd_keyword()
4942     char_u	*arg = eap->arg;  in syn_cmd_match()  local
4954     rest = get_group_name(arg, &group_name_end);  in syn_cmd_match()
4985 		&& (syn_id = syn_check_group(arg,  in syn_cmd_match()
4986 					   (int)(group_name_end - arg))) != 0)  in syn_cmd_match()
5035 	semsg(_(e_invarg2), arg);  in syn_cmd_match()
5047     char_u		*arg = eap->arg;  in syn_cmd_region()  local
5078     rest = get_group_name(arg, &group_name_end);  in syn_cmd_region()
5136 	    semsg(_("E398: Missing '=': %s"), arg);  in syn_cmd_region()
5225 		&& (syn_id = syn_check_group(arg,  in syn_cmd_region()
5226 					   (int)(group_name_end - arg))) != 0)  in syn_cmd_region()
5299 	    semsg(_("E399: Not enough arguments: syntax region %s"), arg);  in syn_cmd_region()
5301 	    semsg(_(e_invarg2), arg);  in syn_cmd_region()
5562     char_u	*arg = eap->arg;  in syn_cmd_cluster()  local
5571     eap->nextcmd = find_nextcmd(arg);  in syn_cmd_cluster()
5575     rest = get_group_name(arg, &group_name_end);  in syn_cmd_cluster()
5579 	scl_id = syn_check_cluster(arg, (int)(group_name_end - arg));  in syn_cmd_cluster()
5631 	semsg(_(e_invarg2), arg);  in syn_cmd_cluster()
5650 get_syn_pattern(char_u *arg, synpat_T *ci)  in get_syn_pattern()  argument
5658     if (arg == NULL || arg[0] == NUL || arg[1] == NUL || arg[2] == NUL)  in get_syn_pattern()
5661     end = skip_regexp(arg + 1, *arg, TRUE);  in get_syn_pattern()
5662     if (*end != *arg)			    // end delimiter not found  in get_syn_pattern()
5664 	semsg(_("E401: Pattern delimiter not found: %s"), arg);  in get_syn_pattern()
5668     if ((ci->sp_pattern = vim_strnsave(arg + 1, end - arg - 1)) == NULL)  in get_syn_pattern()
5740     if (!ends_excmd2(arg, end) && !VIM_ISWHITE(*end))  in get_syn_pattern()
5742 	semsg(_("E402: Garbage after pattern: %s"), arg);  in get_syn_pattern()
5754     char_u	*arg_start = eap->arg;  in syn_cmd_sync()
5880 	    eap->arg = next_arg;  in syn_cmd_sync()
5914     char_u	**arg,  in get_id_list()  argument
5944 	p = skipwhite(*arg + keylen);  in get_id_list()
5947 	    semsg(_("E405: Missing equal sign: %s"), *arg);  in get_id_list()
5951 	if (ends_excmd2(*arg, p))  in get_id_list()
5953 	    semsg(_("E406: Empty argument: %s"), *arg);  in get_id_list()
5961 	while (!ends_excmd2(*arg, p))  in get_id_list()
5977 		if (TOUPPER_ASC(**arg) != 'C')  in get_id_list()
6101     *arg = p;  in get_id_list()
6282     char_u	*arg = eap->arg;  in ex_syntax()  local
6290     for (subcmd_end = arg; ASCII_ISALPHA(*subcmd_end); ++subcmd_end)  in ex_syntax()
6292     subcmd_name = vim_strnsave(arg, subcmd_end - arg);  in ex_syntax()
6306 		eap->arg = skipwhite(subcmd_end);  in ex_syntax()
6348     apply_autocmds(EVENT_SYNTAX, eap->arg, curbuf->b_fname, TRUE, curbuf);  in ex_ownsyntax()
6398 set_context_in_echohl_cmd(expand_T *xp, char_u *arg)  in set_context_in_echohl_cmd()  argument
6401     xp->xp_pattern = arg;  in set_context_in_echohl_cmd()
6409 set_context_in_syntax_cmd(expand_T *xp, char_u *arg)  in set_context_in_syntax_cmd()  argument
6416     xp->xp_pattern = arg;  in set_context_in_syntax_cmd()
6421     if (*arg != NUL)  in set_context_in_syntax_cmd()
6423 	p = skiptowhite(arg);  in set_context_in_syntax_cmd()
6429 	    else if (STRNICMP(arg, "case", p - arg) == 0)  in set_context_in_syntax_cmd()
6431 	    else if (STRNICMP(arg, "spell", p - arg) == 0)  in set_context_in_syntax_cmd()
6433 	    else if (STRNICMP(arg, "sync", p - arg) == 0)  in set_context_in_syntax_cmd()
6435 	    else if (  STRNICMP(arg, "keyword", p - arg) == 0  in set_context_in_syntax_cmd()
6436 		    || STRNICMP(arg, "region", p - arg) == 0  in set_context_in_syntax_cmd()
6437 		    || STRNICMP(arg, "match", p - arg) == 0  in set_context_in_syntax_cmd()
6438 		    || STRNICMP(arg, "list", p - arg) == 0)  in set_context_in_syntax_cmd()
6626     if (STRCMP(eap->arg, "on") == 0)  in ex_syntime()
6628     else if (STRCMP(eap->arg, "off") == 0)  in ex_syntime()
6630     else if (STRCMP(eap->arg, "clear") == 0)  in ex_syntime()
6632     else if (STRCMP(eap->arg, "report") == 0)  in ex_syntime()
6635 	semsg(_(e_invarg2), eap->arg);  in ex_syntime()