NAME
     Light - setup of light source

SYNOPSIS
     Light ( off | point | infinite ) expr expr expr

DESCRIPTION
     The first argument selects between no light source,
     a point light source or a light source at infinity.
     The coordinates are used as position if a point light
     source was chosen as point, or only as direction for
     an infinite light source. Point light sources might
     not be supported on all hardware, or they may be
     slower than infinite light sources.

EXAMPLE
     Light point 0 5 5

DATE
     960912
