821     if (in_vim9script()  in byteidx()
877     if (in_vim9script()  in f_charidx()
932     if (in_vim9script()  in f_str2list()
978     if (in_vim9script()  in f_str2nr()
1030     if (in_vim9script()  in f_strgetchar()
1068     if (in_vim9script()  in f_stridx()
1119     if (in_vim9script()  in f_strlen()
1149     if (in_vim9script()  in f_strcharlen()
1164     if (in_vim9script()  in f_strchars()
1188     if (in_vim9script()  in f_strdisplaywidth()
1208     if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)  in f_strwidth()
1230     if (in_vim9script()  in f_strcharpart()
1319     if (in_vim9script()  in f_strpart()
1379     if (in_vim9script()  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()
1485     if (in_vim9script()  in f_tr()
1602     if (in_vim9script()  in f_trim()