anchor.diff:  disableStatement :
   	DISABLE 
   	(INPUT TERMINAL? | I_O TERMINAL | OUTPUT) 
  -	cdName WITH KEY (identifier | literal)
  +	cdName WITH? KEY (identifier | literal)
   ;
   
   // display statement
  
positive.code: 	SEND TO (TOP | BOTTOM) identifier
  	onExceptionClause?
  	notOnExceptionClause?
  ;
  
  // set statement
  
negative.code: 		WITH (identifier | EGI | EMI | ESI)
  	)?
  	(REPLACING LINE?)?
  	sendAdvancingPhrase?
  	onExceptionClause?
  	notOnExceptionClause?
  ;
  