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lib/Algorithm/CheckDigits.pm  view on Meta::CPAN

Algorithm::XyZ would be fine, Algorithm::CheckDigits::Plugin::XyZ or
Algorithm::CheckDigits::X::XyZ would be fine too. But
Algorithm::CheckDigits::XyZ could collide with some future version of the
Algorithm::CheckDigits distribution, so please avoid this namespace.

=head1 SEE ALSO

L<perl>,
F<www.pruefziffernberechnung.de>.

=head1 BUGS AND LIMITATIONS

The function C<plug_in()> dies if you try to register the module
'Algorithm::CheckDigits'.

Please report any bugs or feature requests to
C<bug-algorithm-checkdigits@rt.cpan.org>, or through the web interface at
L<http://rt.cpan.org>.

=head1 AUTHOR

lib/Algorithm/CheckDigits/M10_004.pm  view on Meta::CPAN

digit.

Return '' otherwise.

=back

=head2 EXPORT

None by default.

=head1 BUGS AND LIMITATIONS

When invoked as C<CheckDigits('isbn13')> the module checks whether the first
three digits (the country code) are 978 or 979, the current (as of 2006) EAN
country codes for books. If at any time other EAN country codes for ISBN-13
will be specified and the then responsible maintainer ignores this in the
code, please send a friendly email.

=head1 AUTHOR

Mathias Weidner, C<< <mamawe@cpan.org> >>