anchor.diff:              printErr (num, tok, err)
           | Parser.Success (mAst, _, _) ->
               mAst.PrintAst()
  -            RNGLR.ParseCalcErrorAmb.defaultAstToDot mAst "Calc missing right brace.dot"
  +            if needPrintToDot 
  +            then RNGLR.ParseCalcErrorAmb.defaultAstToDot mAst "Calc missing right brace.dot"
   
       [<Test>]
       member test.``Calc no operand in the end``() = 
  
positive.code:             printErr (num, tok, err)
          | Parser.Success (mAst, _, _) ->
              mAst.PrintAst() 
              RNGLR.ParseCalcErrorAmb.defaultAstToDot mAst "Calc error inside in braces.dot"                          
  
      [<Test>]
      member test.``Calc error inside in braces2``() =
  
negative.code:             printErr (num, tok, err)
          | Parser.Success (mAst, _, errors) ->
              mAst.PrintAst()
              if needPrintToDot 
              then RNGLR.ParsePrimitiveErrorTranslate.defaultAstToDot mAst "Error to epsilon translate.dot"
              let res = translate RNGLR.ParsePrimitiveErrorTranslate.translate mAst errors
              printfn "res : %A" res
              Assert.AreEqual([-1], res)
  