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Copyright (c) 2021 B. KUGLER
Copyright © 2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020  Google, Inc.
Copyright © 2018,2019,2020  Ebrahim Byagowi
Copyright © 2019,2020  Facebook, Inc. 
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Copyright © 2009  Keith Stribley
Copyright © 2009  Martin Hosken and SIL International
Copyright © 2007  Chris Wilson
Copyright © 2006  Behdad Esfahbod
Copyright © 2005  David Turner
Copyright © 2004,2007,2008,2009,2010  Red Hat, Inc.
Copyright © 1998-2004  David Turner and Werner Lemberg

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The above copyright notice and this permission notice shall be included in all
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