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+Togl is a Tk widget for OpenGL rendering. Togl is based on OGLTK,
+originally written by Benjamin Bederson at the University of New Mexico
+(who has since moved to the University of Maryland). Togl adds the new
+features:
+ - color-index mode support including color allocation functions
+ - support for requesting stencil, accumulation, alpha buffers, etc
+ - multiple OpenGL drawing widgets
+ - OpenGL extension testing from Tcl
+ - simple, portable font support
+ - overlay plane support
+
+Togl allows one to create and manage a special Tk/OpenGL widget with Tcl
+and render into it with a C program. That is, a typical Togl program will
+have Tcl code for managing the user interface and a C program for
+computations and OpenGL rendering.
+Togl is copyrighted by Brian Paul (brian_paul@avid.com) and Benjamin
+Bederson (bederson@cs.umd.edu). See the LICENSE file for details.
+
+The Togl WWW page is available from:
+ Wisconsin at http://www.mesa3d.org/brianp/Togl.html
+ Maryland at http://www.cs.umd.edu/~bederson/Togl.html
+
+WWW: http://www.mesa3d.org/brianp/Togl.html