anchor.diff:  
   
   ENDPROPERTY
  -	: E N D P R O P E R T Y
  -	;
  +   : E N D P R O P E R T Y
  +   ;
   
   
   ENUM
  
positive.code:    ;
  
  
  BEGIN
     : B E G I N
     ;
  
  
  BEGINPROPERTY
  	: B E G I N P R O P E R T Y
  	;
  
  
  BEEP
     : B E E P
     ;
  
  
  
negative.code:    | NOT
     | NOTHING
     | NULL
     | OBJECT
     | ON
     | OPEN
     | OPTIONAL
  