Availability:
:- use_module(library(check)).
[det]list_confusable_identifiersmodule_class
(default [user]) and warn on atoms whose written form is a
possible UTS #39 spoof. Two issues are reported:
- an atom whose unicode_restriction_level/2
is not safe (worse than
single_script), reported at the first source location where it occurs; - groups of distinct atoms with equal unicode_skeleton/2
— two identifiers in the same program that look the same.
Only atoms whose written form does not require quotes are considered (see ’$needs_quotes’/1). Loaded via the multifile check:checker/2 hook, so a plain check/0 runs this check too.