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Dear Sebastian Huber, Alan W. Irwin, Rafael Laboissiere, and Andrew Collier,
as you know, the contents of the GNU Autoconf Macro
Archive <http://www.gnu.org/software/ac-archive/> is
currently licensed under the GNU GPL with this special
exception:
http://www.gnu.org/software/ac-archive/htmldoc/COPYING-Exception.html
This construct turned out to come with some unexpected
legal problems, which are summarized in this article:
http://lists.gnu.org/archive/html/ac-archive-maintainers/2005-01/msg00030.html
To fix these problems, we would like to re-release all
macros in the Archive under an all-permissive license,
which is described near the end of the page
<http://www.gnu.org/prep/maintain/html_node/License-Notices.html>
and which looks like this:
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.
To do that, however, we need your permission -- and this
is what this e-mail is about.
Would you agree to re-release your Autoconf macro(s)
AC_PROG_SWIG
AC_PYTHON_DEVEL
under the terms of this all-permissive license instead of
the GPL-with-exception one?