anchor.diff:  	DOT
   ;
   
  -communicationDescriptionEntry_format3 :
  +communicationDescriptionEntryFormat3 :
   	CD cdName FOR INITIAL I_O
   	( 	
   		(
  
positive.code: ;
  
  communicationDescriptionEntry :
  	communicationDescriptionEntry_format1 
  	| communicationDescriptionEntry_format2
  	| communicationDescriptionEntry_format3
  ;
  
  communicationDescriptionEntry_format1 :
  	CD cdName FOR INITIAL? INPUT
  	( 
  		(
  
negative.code: 	DOT
  ;
  
  communicationDescriptionEntryFormat2 :
  	CD cdName FOR OUTPUT
  	(
  		DESTINATION COUNT IS dataDescName
  