Change license to LGPLv3+ or GPLv2+.

* README (Copyright): Adjust section.
* doc/libunistring.texi (Licenses): Change accordingly.
* NEWS: Mention the change.

4 files changed, 16 insertions, 6 deletions

diff --git a/ChangeLog b/ChangeLog
index c807132..1c1674a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2021-05-30  Bruno Haible  <bruno@clisp.org>
+
+	Change license to LGPLv3+ or GPLv2+.
+	* README (Copyright): Adjust section.
+	* doc/libunistring.texi (Licenses): Change accordingly.
+	* NEWS: Mention the change.
+
 2021-04-06  Bruno Haible  <bruno@clisp.org>
 
 	build: Fix the set of exported symbols on Alpine Linux.
diff --git a/NEWS b/NEWS
index b2892b3..9276191 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,5 @@
 New in 0.9.11:
+* The license has changed from "LGPLv3+ or GPLv2" to "LGPLv3+ or GPLv2+".
 * Fixed multithread-safety bugs on Cygwin, native Windows, and Haiku.
 
 New in 0.9.10:
diff --git a/README b/README
index 47de6b0..eb21cff 100644
--- a/README
+++ b/README
@@ -46,11 +46,12 @@ Copyright
 ---------
 
 The libunistring library and its header files are dual-licensed under
-"the GNU LGPLv3+ or the GNU GPLv2". This means, you can use it under either
+"the GNU LGPLv3+ or the GNU GPLv2+". This means, you can use it under either
   - the terms of the GNU Lesser General Public License (LGPL) version 3 or
     (at your option) any later version, or
-  - the terms of the GNU General Public License (GPL) version 2, or
-  - the same dual license "the GNU LGPLv3+ or the GNU GPLv2".
+  - the terms of the GNU General Public License (GPL) version 2 or
+    (at your option) any later version, or
+  - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
 
 You find the GNU LGPL version 3 in the file COPYING.LIB.  This license is
 based on the GNU GPL version 3, see file COPYING.
diff --git a/doc/libunistring.texi b/doc/libunistring.texi
index b54f632..6b84b44 100644
--- a/doc/libunistring.texi
+++ b/doc/libunistring.texi
@@ -940,15 +940,16 @@ particular file or directory.  Here is a summary:
 @itemize @bullet
 @item
 The @code{libunistring} library and its header files are dual-licensed under
-"the GNU LGPLv3+ or the GNU GPLv2". This means, you can use it under either
+"the GNU LGPLv3+ or the GNU GPLv2+". This means, you can use it under either
 @itemize @bullet
 @item @minus{}
 the terms of the GNU Lesser General Public License (LGPL) version 3 or
 (at your option) any later version, or
 @item @minus{}
-the terms of the GNU General Public License (GPL) version 2, or
+the terms of the GNU General Public License (GPL) version 2 or
+(at your option) any later version, or
 @item @minus{}
-the same dual license "the GNU LGPLv3+ or the GNU GPLv2".
+the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
 @end itemize
 You find the GNU LGPL version 3 in @ref{GNU LGPL}.  This license is
 based on the GNU GPL version 3, see @ref{GNU GPL}.