    Libidn README -- Important introductory notes.
    Copyright (C) 2002-2021 Simon Josefsson
    See the end for copying conditions.

    Libidn is a package for internationalized string handling based on the
    Stringprep, Punycode, IDNA2003 and TLD specifications.  Libidn is a
    GNU project.  See the file COPYING for licensing information.

    The IDNA2003 specifications have been superseded by IDNA2008 which is
    implemented by Libidn2 <https://www.gnu.org/software/libidn/#libidn2>,
    and the only reasonable use of the libidn library today is to support
    the historic IDNA2003 behaviour or to use Stringprep profiles.  Please
    try to migrate to libidn2 wherever possible.

    If you obtained this file as part of a "git clone", then see the
    HACKING file.  If this file came to you as part of a tar archive, then
    see the file INSTALL for compilation and installation instructions.

    If you need help to use Libidn, or wish to help others, you are
    invited to join our mailing list help-libidn@gnu.org, see
    <https://lists.gnu.org/mailman/listinfo/help-libidn>.

    For more information, see <https://www.gnu.org/software/libidn/>.

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    Copying and distribution of this file, with or without modification,
    are permitted in any medium without royalty provided the copyright
    notice and this notice are preserved.