Amend licence to relax its conditions for chains of binary distributions.
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LICENCE
21
LICENCE
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@ -5,9 +5,10 @@ PCRE2 is a library of functions to support regular expressions whose syntax
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and semantics are as close as possible to those of the Perl 5 language.
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Release 10 of PCRE2 is distributed under the terms of the "BSD" licence, as
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specified below. The documentation for PCRE2, supplied in the "doc"
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directory, is distributed under the same terms as the software itself. The data
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in the testdata directory is not copyrighted and is in the public domain.
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specified below, with one exemption for certain binary redistributions. The
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documentation for PCRE2, supplied in the "doc" directory, is distributed under
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the same terms as the software itself. The data in the testdata directory is
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not copyrighted and is in the public domain.
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The basic library functions are written in C and are freestanding. Also
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included in the distribution is a just-in-time compiler that can be used to
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@ -57,11 +58,11 @@ THE "BSD" LICENCE
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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* Redistributions of source code must retain the above copyright notices,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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notices, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the University of Cambridge nor the names of any
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@ -80,4 +81,14 @@ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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EXEMPTION FOR BINARY LIBRARY-LIKE PACKAGES
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------------------------------------------
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The second condition in the BSD licence (covering binary redistributions) does
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not apply all the way down a chain of software. If binary package A includes
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PCRE2, it must respect the condition, but if package B is software that
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includes package A, the condition is not imposed on package B unless it uses
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PCRE2 independently.
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End
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