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Copyright © 2021 Plan 9 Foundation
Portions Copyright © 2001-2008 Russ Cox
Portions Copyright © 2008-2009 Google Inc.

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.

===================================================================

This software is derived from Plan 9, originally copyright Lucent Technologies
and distributed under the Lucent Public License, Version 1.02.
Lucent was bought by Alcatel, which was bought by Nokia.
On March 23, 2021, Nokia announced the transfer of the Plan 9 copyrights to the
Plan 9 Foundation, which in turn relicensed Plan 9 under the the MIT license,
reproduced above.