anchor.diff:  
   parameterName
       : LIDENTIFIER
  -    -> ^(ARG_NAME LIDENTIFIER)
  +    -> ^(PARAM_NAME LIDENTIFIER)
       ;
   
   namedArguments
  
positive.code: 
  formalParameters
      : '(' (formalParameter (',' formalParameter)*)? ')'
      -> ^(FORMAL_PARAMETER_LIST ^(FORMAL_PARAMETER formalParameter)*)
      ;
  
  //Support for declaring functional formal parameters outside
  
negative.code:     FOR_CONTAINMENT;
      FOR_ITERATOR;
      FOR_STMT;
      PARAM_NAME;
      PARAM;
      PARAM_LIST;
      IF_FALSE;
      IF_STMT;
      IF_TRUE;
  