822 	    && (check_for_string_arg(argvars, 0) == FAIL  in byteidx()
823 		|| check_for_number_arg(argvars, 1) == FAIL))  in byteidx()
878 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_charidx()
879 		|| check_for_number_arg(argvars, 1) == FAIL  in f_charidx()
880 		|| check_for_opt_bool_arg(argvars, 2) == FAIL))  in f_charidx()
929     if (rettv_list_alloc(rettv) == FAIL)  in f_str2list()
933 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_str2list()
934 		|| check_for_opt_bool_arg(argvars, 1) == FAIL))  in f_str2list()
979 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_str2nr()
980 		|| check_for_opt_number_arg(argvars, 1) == FAIL  in f_str2nr()
982 		    && check_for_opt_bool_arg(argvars, 2) == FAIL)))  in f_str2nr()
1031 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_strgetchar()
1032 		|| check_for_number_arg(argvars, 1) == FAIL))  in f_strgetchar()
1069 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_stridx()
1070 		|| check_for_string_arg(argvars, 1) == FAIL  in f_stridx()
1071 		|| check_for_opt_number_arg(argvars, 2) == FAIL))  in f_stridx()
1120 	    && check_for_string_or_number_arg(argvars, 0) == FAIL)  in f_strlen()
1150 	    && check_for_string_or_number_arg(argvars, 0) == FAIL)  in f_strcharlen()
1165 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_strchars()
1166 		|| check_for_opt_bool_arg(argvars, 1) == FAIL))  in f_strchars()
1189 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_strdisplaywidth()
1190 		|| check_for_opt_number_arg(argvars, 1) == FAIL))  in f_strdisplaywidth()
1208     if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)  in f_strwidth()
1231 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_strcharpart()
1232 		|| check_for_number_arg(argvars, 1) == FAIL  in f_strcharpart()
1233 		|| check_for_opt_number_arg(argvars, 2) == FAIL  in f_strcharpart()
1235 		    && check_for_opt_bool_arg(argvars, 3) == FAIL)))  in f_strcharpart()
1320 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_strpart()
1321 		|| check_for_number_arg(argvars, 1) == FAIL  in f_strpart()
1322 		|| check_for_opt_number_arg(argvars, 2) == FAIL  in f_strpart()
1324 		    && check_for_opt_bool_arg(argvars, 3) == FAIL)))  in f_strpart()
1380 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_strridx()
1381 		|| check_for_string_arg(argvars, 1) == FAIL  in f_strridx()
1382 		|| check_for_opt_number_arg(argvars, 2) == FAIL))  in f_strridx()
1431     if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)  in f_strtrans()
1444     if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)  in f_tolower()
1457     if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)  in f_toupper()
1486 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_tr()
1487 		|| check_for_string_arg(argvars, 1) == FAIL  in f_tr()
1488 		|| check_for_string_arg(argvars, 2) == FAIL))  in f_tr()
1603 	    && (check_for_string_arg(argvars, 0) == FAIL  in f_trim()
1604 		|| check_for_opt_string_arg(argvars, 1) == FAIL  in f_trim()
1606 		    && check_for_opt_number_arg(argvars, 2) == FAIL)))  in f_trim()