bug#24603: [PATCHv5 11/11] Implement Irish casing rules (bug#24603)

[Eli Zaretskii <eliz@gnu.org>]

> From: Michal Nazarewicz <mina86@mina86.com>
> Cc: 24603@debbugs.gnu.org
> Date: Thu, 16 Mar 2017 23:16:15 +0100
> 
> On Sat, Mar 11 2017, Eli Zaretskii wrote:
> >> From: Michal Nazarewicz <mina86@mina86.com>
> >> Date: Thu,  9 Mar 2017 22:51:50 +0100
> >> 
> >> * test/src/casefiddle-resources/irish-lowercase-1.txt,
> >> test/src/casefiddle-resources/irish-lowercase-1-ref.txt,
> >> test/src/casefiddle-resources/irish-uppercase-1.txt,
> >> test/src/casefiddle-resources/irish-uppercase-1-ref.txt: New files
> >> with test cases for Irish capitalisation.  The files are copied from
> >> Mozilla’s test suite.
> >
> > What is the license and copyright status of these files?  We cannot
> > redistribute files unless they have GPL-compatible licenses.
> 
> MPL 2.0.  mozilla-central/LICENSE¹ points to another file² which
> mentions that:
> 
>     <p>All of the <b>source code</b> to this product is
>        available under licenses which are both
>        <a href="http://www.gnu.org/philosophy/free-sw.html">free</a> and
>        <a href="http://www.opensource.org/docs/definition.php">open source</a>.
>        A URL identifying the specific source code used to create this copy can be found
>        on the <a href="about:buildconfig">build configuration page</a>, and you can read
>        <a href="https://developer.mozilla.org/en/Mozilla_Source_Code_%28Mercurial%29">instructions
>        on how to download and build the code for yourself</a>.
>     </p>
> 
>     <p>More specifically, most of the source code is available under the
>        <a href="about:license#mpl">Mozilla Public License 2.0</a> (MPL).
>        The MPL has a
>        <a href="http://www.mozilla.org/MPL/2.0/FAQ.html">FAQ</a> to help
>        you understand it. The remainder of the software which is not
>        under the MPL is available under one of a variety of other
>        free and open source licenses. Those that require reproduction
>        of the license text in the distribution are given below.
>        (Note: your copy of this product may not contain code covered by one
>        or more of the licenses listed here, depending on the exact product
>        and version you choose.)
>     </p>
> 
> Admittedly, the wording is a bit weird but if you open ‘about:license’
> in Mozilla-provided Firefox you can read:
> 
> 	Binaries of this product have been made available to you by the
> 	Mozilla Project under the Mozilla Public License 2.0 (MPL). Know
> 	your rights.
> 
> With ‘Know your rights’ leading to a page claiming that:
> 
> 	Mozilla Firefox is free and open source software, built by
> 	a community of thousands from all over the world. There are
> 	a few things you should know:
> 
> 	* Firefox is made available to you under the terms of the
>           Mozilla Public Licence.  This means you may use, copy and
>           distribute Firefox to others. You are also welcome to modify
>           the source code of Firefox as you want to meet your needs. The
>           Mozilla Public Licence also gives you the right to distribute
>           your modified versions.
> 
> MPL 2.0, in contrast to MPL 1.1, is compatible with GPL.
> 
> I’ll add mention of the license to the README in the directory.
> 
> ¹ https://hg.mozilla.org/mozilla-central/file/tip/LICENSE
> ² https://hg.mozilla.org/mozilla-central/file/tip/toolkit/content/license.html

Thanks.

Richard, is it okay for us to include these files in Emacs, given
these licenses?