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README  view on Meta::CPAN

        generate and expect Unicode strings, that is, characters with high
        ordinal Unicode values (> 255) will be encoded as such characters,
        and likewise such characters are decoded as-is, no changes to them
        will be done, except "(re-)interpreting" them as Unicode codepoints
        or Unicode characters, respectively (to Perl, these are the same
        thing in strings unless you do funny/weird/dumb stuff).

        This is useful when you want to do the encoding yourself (e.g. when
        you want to have UTF-16 encoded JSON texts) or when some other layer
        does the encoding for you (for example, when printing to a terminal
        using a filehandle that transparently encodes to UTF-8 you certainly
        do NOT want to UTF-8 encode your data first and have Perl encode it
        another time).

    "utf8" flag enabled
        If the "utf8"-flag is enabled, "encode"/"decode" will encode all
        characters using the corresponding UTF-8 multi-byte sequence, and
        will expect your input strings to be encoded as UTF-8, that is, no
        "character" of the input string must have any value > 255, as UTF-8
        does not allow that.

XS.pm  view on Meta::CPAN

and expect Unicode strings, that is, characters with high ordinal Unicode
values (> 255) will be encoded as such characters, and likewise such
characters are decoded as-is, no changes to them will be done, except
"(re-)interpreting" them as Unicode codepoints or Unicode characters,
respectively (to Perl, these are the same thing in strings unless you do
funny/weird/dumb stuff).

This is useful when you want to do the encoding yourself (e.g. when you
want to have UTF-16 encoded JSON texts) or when some other layer does
the encoding for you (for example, when printing to a terminal using a
filehandle that transparently encodes to UTF-8 you certainly do NOT want
to UTF-8 encode your data first and have Perl encode it another time).

=item C<utf8> flag enabled

If the C<utf8>-flag is enabled, C<encode>/C<decode> will encode all
characters using the corresponding UTF-8 multi-byte sequence, and will
expect your input strings to be encoded as UTF-8, that is, no "character"
of the input string must have any value > 255, as UTF-8 does not allow
that.