NAME
	  glClearAccum - specify clear values for the accumulation
	  buffer


     C SPECIFICATION
	  void glClearAccum( GLfloat red,
			     GLfloat green,
			     GLfloat blue,
			     GLfloat alpha )


     PARAMETERS
	  red, green, blue, alpha
				Specify	the red, green,	blue, and
				alpha values used when the
				accumulation buffer is cleared.	 The
				initial	values are all 0.

     DESCRIPTION
	  glClearAccum specifies the red, green, blue, and alpha
	  values used by glClear to clear the accumulation buffer.

	  Values specified by glClearAccum are clamped to the range
	  [-1,1].

     ERRORS
	  GL_INVALID_OPERATION is generated if glClearAccum is
	  executed between the execution of glBegin and	the
	  corresponding	execution of glEnd.

     ASSOCIATED	GETS
	  glGet	with argument GL_ACCUM_CLEAR_VALUE

     SEE ALSO
	  glClear