anchor.diff:      #option:      "context-insensitive-scanner"
   
       token ENDTOKEN: " "
  -    token TOKLPARENSTAR: " (*"
       token LPAREN: "("
       token RPAREN: ")"
       token TOKAMPERAMPERAMPER: "&&&"
  
positive.code: ############################################################################
  
      rule type_decl:
          typevar_item
          | VAR [ LBRACKET NUM (COLON NUM)* RBRACKET ]
          | CLASSVAR typevar_item_or_var
  
      rule formal_item:
          ( function_parameter
  
negative.code: 
      rule interface_declaration:
          TOKINTERFACE CLASSVAR*
          typevar_item_or_var [ VAR ]
              ( equal_value
              | [ SEMICOLON ] [ interface_body ] TOKENDINTERFACE [ COLON VAR ]
              )
  