+
+@node Licensing of GNU Packages
+@subsection Licensing of GNU Packages
+
+Normally, GNU packages should use the latest version of the GNU GPL,
+with the ``or any later version'' formulation. @xref{License Notices
+for Code}, for the exact wording of the license notice.
+
+Occasionally, a GNU library may provide functionality which is already
+widely available to proprietary programs through alternative
+implementations; for example, the GNU C Library. In such cases, the
+Lesser GPL should be used (again, for the notice wording,
+@pxref{License Notices for Code}). If a GNU library provides unique
+functionality, however, the GNU GPL should be used.
+@url{http://www.gnu.org/licenses/why-not-lgpl.html} discusses this
+strategic choice.
+
+Some of these libraries need to work with programs released under
+GPLv2-only; that is, which allow the GNU GPL version 2 but not later
+versions. In this case, the GNU package should be released under a
+dual license: GNU GPL version 2 (or any later version) and the GNU
+Lesser GPL version 3 (or any later version). Here is the notice for
+that case:
+
+@smallexample
+This file is part of GNU @var{package}.
+
+GNU @var{package} is free software: you can redistribute it and/or
+modify it under the terms of either:
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at your
+ option) any later version.
+
+or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+or both in parallel, as here.
+
+GNU @var{package} is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received copies of the GNU General Public License and
+the GNU Lesser General Public License along with this program. If
+not, see @url{http://www.gnu.org/licenses/}.
+@end smallexample
+
+For small packages, you can use ``This program'' instead of ``GNU
+@var{package}''.
+
+
+@node Canonical License Sources
+@subsection Canonical License Sources
+
+You can get the official versions of these files from several places.