NAME
    Sah::Schemas::ISBN - Various Sah schemas related to ISBN (International
    Standard Book Number)

VERSION
    This document describes version 0.008 of Sah::Schemas::ISBN (from Perl
    distribution Sah-Schemas-ISBN), released on 2020-05-27.

SAH SCHEMAS
    *   isbn

        ISBN 10 or ISBN 13 number.

        Nondigits [^0-9Xx] will be removed during coercion.

        Checksum digit must be valid.

    *   isbn10

        ISBN 10 number.

        Nondigits [^0-9Xx] will be removed during coercion.

        "x" will be converted to uppercase.

        Checksum digit must be valid.

    *   isbn13

        ISBN 13 number.

        Nondigits [^0-9] will be removed during coercion.

        Checksum digit must be valid.

        Basically EAN-13, except with additional coercion rule to coerce it
        from ISBN 10.

HOMEPAGE
    Please visit the project's homepage at
    <https://metacpan.org/release/Sah-Schemas-ISBN>.

SOURCE
    Source repository is at
    <https://github.com/perlancar/perl-Sah-Schemas-ISBN>.

BUGS
    Please report any bugs or feature requests on the bugtracker website
    <https://rt.cpan.org/Public/Dist/Display.html?Name=Sah-Schemas-ISBN>

    When submitting a bug or request, please include a test-file or a patch
    to an existing test-file that illustrates the bug or desired feature.

SEE ALSO
    Sah - specification

    Data::Sah

    <https://en.wikipedia.org/wiki/International_Standard_Book_Number>

AUTHOR
    perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE
    This software is copyright (c) 2020, 2019, 2018 by perlancar@cpan.org.

    This is free software; you can redistribute it and/or modify it under
    the same terms as the Perl 5 programming language system itself.