anchor.diff:  	     :title title 
   	     :fullscreen fullscreen
   	     :no-frame no-frame
  +	     :context-profile-mask context-profile-mask
   	     :alpha-size alpha-size
   	     :depth-size depth-size 
   	     :stencil-size stencil-size 
  
positive.code: 		(title "Clinch")
  		(fullscreen nil)
  		(no-frame nil)
  		(alpha-size 8)
  		depth-size
  		stencil-size
  		(red-size 8)
  		(green-size 8)
  		(blue-size 8)
  		(buffer-size 0)
  		(double-buffer t)
  		(hidden nil)
  		(resizable t))
  
negative.code: 	       (title "Clinch Program")
  	       (fullscreen nil)
  	       (no-frame nil)
  	       context-profile-mask
  	       alpha-size
  	       depth-size
  	       stencil-size
  	       red-size
  	       green-size
  	       blue-size
  	       buffer-size
  	       (double-buffer t)
  	       (hidden nil)
  	       (resizable t))
  