Undocumented predicates
The following predicates are exported, but not or incorrectly documented.
- pchar(Arg1)
- pchar_upper(Arg1, Arg2)
- pchar_lower(Arg1, Arg2)
- ch_map(Arg1, Arg2, Arg3)
- ch(Arg1, Arg2, Arg3)
- pchar_type(Arg1, Arg2)
- pchar_code(Arg1, Arg2)
- pdif_char(Arg1, Arg2, Arg3)