with no suffix C<"_A">. This variant is used to emphasize by its name that
only ASCII-range characters can return TRUE.
-Variant C<isI<FOO>_L1> imposes the Latin-1 (or EBCDIC equivlalent) character set
+Variant C<isI<FOO>_L1> imposes the Latin-1 (or EBCDIC equivalent) character set
onto the platform. That is, the code points that are ASCII are unaffected,
since ASCII is a subset of Latin-1. But the non-ASCII code points are treated
as if they are Latin-1 characters. For example, C<isWORDCHAR_L1()> will return