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//usr/share/doc/gtk2-2.24.23/COPYING

GNU LIBRARY GENERAL PUBLIC LICENSE
		       Version 2, June 1991

Copyright (C) 1991 Free Software Foundation, Inc.
    		    59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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[This is the first released version of the library GPL.  It is
 numbered 2 because it goes with version 2 of the ordinary GPL.]

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Yoyodyne, Inc., hereby disclaims all copyright interest in the
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<signature of Ty Coon>, 1 April 1990
  Ty Coon, President of Vice

That's all there is to it!