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From 97849cd31363ac80306d714915d76dc5a06672cb Mon Sep 17 00:00:00 2001
From: Andy Li <andy@onthewings.net>
Date: Mon, 4 Dec 2017 10:15:55 +0800
Subject: [PATCH] Upgrade GNU Library Public License to GNU Lesser General
 Public License.

---
 LICENSE   | 523 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 ptmap.ml  |   2 +-
 ptmap.mli |   2 +-
 3 files changed, 525 insertions(+), 2 deletions(-)
 create mode 100644 LICENSE

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..841526d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,523 @@
+ptmap is distributed under the terms of the
+GNU Lesser General Public License (LGPL) version 2.1 (included below).
+
+As a special exception to the GNU Lesser General Public License, you may link,
+statically or dynamically, a "work that uses ptmap" with a publicly distributed
+version of ptmap to produce an executable file containing portions of ptmap, and
+distribute that executable file under terms of your choice, without any of the
+additional requirements listed in clause 6 of the GNU Lesser General Public
+License. By "a publicly distributed version of ptmap", we mean either the
+unmodified ptmap as distributed, or a modified version of the ptmap that is
+distributed under the conditions defined in clause 2 of the GNU Lesser General
+Public License. This exception does not however invalidate any other reasons
+why the executable file might be covered by the GNU Lesser General Public License.
+
+----------------------------------------------------------------------
+
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diff --git a/ptmap.ml b/ptmap.ml
index ba49533..34ddfe2 100644
--- a/ptmap.ml
+++ b/ptmap.ml
@@ -3,7 +3,7 @@
 (*  Copyright (C) Jean-Christophe Filliatre                               *)
 (*                                                                        *)
 (*  This software is free software; you can redistribute it and/or        *)
-(*  modify it under the terms of the GNU Library General Public           *)
+(*  modify it under the terms of the GNU Lesser General Public            *)
 (*  License version 2.1, with the special exception on linking            *)
 (*  described in file LICENSE.                                            *)
 (*                                                                        *)
diff --git a/ptmap.mli b/ptmap.mli
index a8dc1fe..c64e370 100644
--- a/ptmap.mli
+++ b/ptmap.mli
@@ -3,7 +3,7 @@
 (*  Copyright (C) Jean-Christophe Filliatre                               *)
 (*                                                                        *)
 (*  This software is free software; you can redistribute it and/or        *)
-(*  modify it under the terms of the GNU Library General Public           *)
+(*  modify it under the terms of the GNU Lesser General Public            *)
 (*  License version 2.1, with the special exception on linking            *)
 (*  described in file LICENSE.                                            *)
 (*                                                                        *)

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