anchor.diff:      ;
   
   fieldDecl
  -    : ({noTerminatorBetween(2)}? identifierList type | anonymousField) STRING_LIT?
  +    : ({noTerminatorBetween(2)}? identifierList type_ | anonymousField) STRING_LIT?
       ;
   
   anonymousField
  
positive.code:     ;
  
  elementType
      : type
      ;
  
  //PointerType = "*" BaseType .
  //BaseType    = Type .
  pointerType
      : '*' type
      ;
  
  //InterfaceType      = "interface" "{" { MethodSpec ";" } "}" .
  
negative.code:     ;
  
  parameterDecl
      : identifierList? '...'? type_
      ;
  
  /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  