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+These demos run only on SGI machines and require the 'gl' built-in module.
+The demonstrate the abilities of SGI's GL library as well as the ease of
+GL programming in Python. Most demos require the Z-buffer (aka
+24-bitplane) option. Press ESC to get out of any of them.
+
+backface.py Demonstrates the 'backface' GL function.
+
+kites.py Show 3 flying kites. Demonstrates the rendering speed
+ obtainable by Python programs.
+
+mclock.py A colorful clock with more options than you can
+ remember. Works on 8-bit machines, but allows more
+ colors on 24-bit machines. See mclock.doc for more
+ info.
+
+mixing.py Demonstrates the effect of color mixing: through
+ frequent color switching it gives the effect of white
+ light.
+
+nurbs.py A simple demonstration of the 'nurbs' GL functions.
+ Press left mouse button to toggle surface trimming.
+
+zrgb.py Displays a 3-D Gouraud-shaded figure which can be moved
+ around with the mouse.
+
+glstdwin/ This is quite different: a partial STDWIN emulation
+ using GL! Requires only small changes to Python
+ programs that use STDWIN. Some features not yet
+ implemented, e.g., scroll bars.