授權聲明

maplite — Copyright (c) 2016 Sotiris Malassiotis
pugixml — Copyright (c) 2006-2015 Arseny Kapoulkine
pixman  — Copyright 1987, 1988, 1989, 1998 The Open Group
          Copyright 1987, 1988, 1989 Digital Equipment Corporation
          Copyright 2000, 2004, 2005 Keith Packard 等貢獻者
HarfBuzz— Copyright (C) 2010-2020 Google, Inc.
          Copyright (C) 2018-2020 Ebrahim Byagowi
          Copyright (C) 2019,2020 Facebook, Inc.
          Copyright (C) 2012 Mozilla Foundation
          Copyright (C) 2011 Codethink Limited
          Copyright (C) 2008,2010 Nokia Corporation and/or its subsidiary(-ies)
          Copyright (C) 2009 Keith Stribley
          Copyright (C) 2009 Martin Hosken and SIL International
          Copyright (C) 2007 Chris Wilson
          Copyright (C) 2005,2006,2020,2021 Behdad Esfahbod
          Copyright (C) 2005 David Turner
          Copyright (C) 1998-2004 David Turner and Werner Lemberg
          Copyright (C) 2016 Elie Roux
          Copyright (C) 2016 Igalia S.L.
          Copyright (C) 2015 Mozilla Foundation
          Copyright (C) 1999 David Turner

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Copyright (c) 2014, Vladimir Agafonkin
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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