Authors of GNU datamash.

  Copyright (C) 2013-2020 Assaf Gordon <assafgordon@gmail.com>

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

The following contributions warranted legal paper exchanges with the
Free Software Foundation.  See also the ChangeLog and THANKS files.

(empty at the moment)
