anchor.diff:  //      style parameters below?
   memberDefinition
       : memberParameters?
  -      ( /*'...' |*/ block | structured | (specifier | initializer)? ';'! )
  +      ( /*'...' |*/ block | (specifier | initializer)? ';'! )
       ;
       
   interfaceDeclaration
  
positive.code: 
  OF
      :   'of'
      ;
  
  SPECIFY
      :   'specify'
      ;
  
  SUBTYPE
  
negative.code:     ;
  
  memberParameters
      : typeParameters? formalParameters+ extraFormalParameters typeClass? typeConstraints?
      ;
  
  //TODO: should we allow the shortcut style of method
  