-Draws some intersecting planes, making use of alpha blending, fog,
-textures, and mipmaps, plus a ``frames per second'' meter so that you
-can tell how fast your graphics card is... Requires OpenGL. Written
-by David Konerding.
+Intersecting planes, with alpha blending, fog, textures, and mipmaps.
+
+Written by David Konerding; 1999.