char_in(+Code, +Set) is semidet[private]

True when Code appears in Set. Set is a double-quoted string. Calls code_in_set/2 to deal with the SWI-6/7 compatibility.

Undocumented predicates

The following predicates are exported, but not or incorrectly documented.

 sql_tokens(Arg1, Arg2, Arg3)