text: /*
  ** The OpenGL Extension Wrangler Library
  ** Copyright (C) 2008-2019, Nigel Stewart <nigels[]users sourceforge net>
  ** Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee org>
  ** Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org>
  ** Copyright (C) 2002, Lev Povalahev
  ** All rights reserved.
  ** 
  ** Redistribution and use in source and binary forms, with or without 
  ** modification, are permitted provided that the following conditions are met:
  ** 
  ** * Redistributions of source code must retain the above copyright notice, 
  **   this list of conditions and the following disclaimer.
  ** * Redistributions in binary form must reproduce the above copyright notice, 
  **   this list of conditions and the following disclaimer in the documentation 
  **   and/or other materials provided with the distribution.
  ** * The name of the author may be used to endorse or promote products 
  **   derived from this software without specific prior written permission.
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
  ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
  ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
  ** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
  ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
  ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  ** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  ** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  ** THE POSSIBILITY OF SUCH DAMAGE.
  */
  
  