Merge pull request #384 from radarhere/licenses

Updated licenses

dependency_licenses/FREETYPE2.txt

@@ -1,35 +1,40 @@
-The  FreeType 2  font  engine is  copyrighted  work and  cannot be  used
+The FreeType  2 font  engine is  copyrighted work  and cannot  be used
-legally  without a  software license.   In  order to  make this  project
+legally without  a software  license.  In order  to make  this project
-usable  to a vast  majority of  developers, we  distribute it  under two
+usable to  a vast majority of  developers, we distribute it  under two
 mutually exclusive open-source licenses.
 
-This means  that *you* must choose  *one* of the  two licenses described
+This means that *you* must choose  *one* of the two licenses described
-below, then obey  all its terms and conditions when  using FreeType 2 in
+below, then obey all its terms and conditions when using FreeType 2 in
 any of your projects or products.
 
-  - The FreeType License, found in  the file `FTL.TXT', which is similar
+  - The FreeType License,  found in the file  `docs/FTL.TXT`, which is
-    to the original BSD license *with* an advertising clause that forces
+    similar to the  original BSD license *with*  an advertising clause
-    you  to  explicitly cite  the  FreeType  project  in your  product's
+    that forces  you to explicitly  cite the FreeType project  in your
-    documentation.  All  details are in the license  file.  This license
+    product's  documentation.  All  details are  in the  license file.
-    is  suited  to products  which  don't  use  the GNU  General  Public
+    This license is suited to products which don't use the GNU General
-    License.
+    Public License.
 
-    Note that  this license  is  compatible  to the  GNU General  Public
+    Note that  this license  is compatible to  the GNU  General Public
     License version 3, but not version 2.
 
-  - The GNU General Public License version 2, found in  `GPLv2.TXT' (any
+  - The   GNU   General   Public   License   version   2,   found   in
-    later version can be used  also), for programs which already use the
+    `docs/GPLv2.TXT`  (any  later  version  can  be  used  also),  for
-    GPL.  Note  that the  FTL is  incompatible  with  GPLv2 due  to  its
+    programs  which  already  use  the  GPL.  Note  that  the  FTL  is
-    advertisement clause.
+    incompatible with GPLv2 due to its advertisement clause.
 
-The contributed BDF and PCF drivers  come with a license similar to that
+The contributed  BDF and PCF  drivers come  with a license  similar to
-of the X Window System.  It is compatible to the above two licenses (see
+that  of the  X Window  System.   It is  compatible to  the above  two
-file src/bdf/README and  src/pcf/README).  The same holds  for the files
+licenses (see files `src/bdf/README`  and `src/pcf/README`).  The same
-`fthash.c' and  `fthash.h'; their  code was  part of  the BDF  driver in
+holds   for   the   source    code   files   `src/base/fthash.c`   and
-earlier FreeType versions.
+`include/freetype/internal/fthash.h`; they were part of the BDF driver
+in earlier FreeType versions.
 
-The gzip module uses the zlib license (see src/gzip/zlib.h) which too is
+The gzip  module uses the  zlib license (see  `src/gzip/zlib.h`) which
-compatible to the above two licenses.
+too is compatible to the above two licenses.
 
-The MD5 checksum support (only used for debugging in development builds)
+The files `src/autofit/ft-hb.c` and `src/autofit/ft-hb.h` contain code
-is in the public domain.
+taken almost  verbatim from the  HarfBuzz file `hb-ft.cc`,  which uses
+the 'Old MIT' license, compatible to the above two licenses.
+
+The  MD5 checksum  support  (only used  for  debugging in  development
+builds) is in the public domain.

dependency_licenses/HARFBUZZ.txt

@@ -2,19 +2,23 @@ HarfBuzz is licensed under the so-called "Old MIT" license.  Details follow.
 For parts of HarfBuzz that are licensed under different licenses see individual
 files names COPYING in subdirectories where applicable.
 
-Copyright © 2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020  Google, Inc.
+Copyright © 2010-2022  Google, Inc.
-Copyright © 2018,2019,2020  Ebrahim Byagowi
+Copyright © 2015-2020  Ebrahim Byagowi
-Copyright © 2019,2020  Facebook, Inc. 
+Copyright © 2019,2020  Facebook, Inc.
-Copyright © 2012  Mozilla Foundation
+Copyright © 2012,2015  Mozilla Foundation
 Copyright © 2011  Codethink Limited
 Copyright © 2008,2010  Nokia Corporation and/or its subsidiary(-ies)
 Copyright © 2009  Keith Stribley
-Copyright © 2009  Martin Hosken and SIL International
+Copyright © 2011  Martin Hosken and SIL International
 Copyright © 2007  Chris Wilson
-Copyright © 2006  Behdad Esfahbod
+Copyright © 2005,2006,2020,2021,2022,2023  Behdad Esfahbod
-Copyright © 2005  David Turner
+Copyright © 2004,2007,2008,2009,2010,2013,2021,2022,2023  Red Hat, Inc.
-Copyright © 2004,2007,2008,2009,2010  Red Hat, Inc.
+Copyright © 1998-2005  David Turner and Werner Lemberg
-Copyright © 1998-2004  David Turner and Werner Lemberg
+Copyright © 2016  Igalia S.L.
+Copyright © 2022  Matthias Clasen
+Copyright © 2018,2021  Khaled Hosny
+Copyright © 2018,2019,2020  Adobe, Inc
+Copyright © 2013-2015  Alexei Podtelezhnikov
 
 For full copyright notices consult the individual files in the package.
 

dependency_licenses/LIBPNG.txt

@@ -4,8 +4,8 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE
 PNG Reference Library License version 2
 ---------------------------------------
 
- * Copyright (c) 1995-2019 The PNG Reference Library Authors.
+ * Copyright (c) 1995-2022 The PNG Reference Library Authors.
- * Copyright (c) 2018-2019 Cosmin Truta.
+ * Copyright (c) 2018-2022 Cosmin Truta.
  * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
  * Copyright (c) 1996-1997 Andreas Dilger.
  * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.