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   1Valid-License-Identifier: LGPL-2.1
   2Valid-License-Identifier: LGPL-2.1+
   3SPDX-URL: https://spdx.org/licenses/LGPL-2.1.html
   4Usage-Guide:
   5  To use this license in source code, put one of the following SPDX
   6  tag/value pairs into a comment according to the placement
   7  guidelines in the licensing rules documentation.
   8  For 'GNU Lesser General Public License (LGPL) version 2.1 only' use:
   9    SPDX-License-Identifier: LGPL-2.1
  10  For 'GNU Lesser General Public License (LGPL) version 2.1 or any later
  11  version' use:
  12    SPDX-License-Identifier: LGPL-2.1+
  13License-Text:
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  15GNU LESSER GENERAL PUBLIC LICENSE
  16Version 2.1, February 1999
  17
  18Copyright (C) 1991, 1999 Free Software Foundation, Inc.
  1951 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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