Definitions for "special form"
a form with special syntax, special evaluation rules, or both, possibly manipulating the evaluation environment, control flow, or both
an expression that follows special evaluation rules
a primitive function specially marked so that its arguments are not all evaluated
Keywords:  gaussian, infinite, viewer, sphere, map
an infinite viewer/infinite sphere environment map where the environment is two lights with a fixed gaussian distribution
a parametric description of a common language pattern
A property coverage form protecting insureds from all causes of physical damage loss unless otherwise limited or excluded.