anchor.diff:              printErr (num, tok, err)
           | Parser.Success (mAst, _, _) ->
               mAst.PrintAst() 
  -            RNGLR.ParseCalcErrorAmb.defaultAstToDot mAst "Calc error after right brace.dot"
  +            if needPrintToDot 
  +            then RNGLR.ParseCalcErrorAmb.defaultAstToDot mAst "Calc error after right brace.dot"
               
       [<Test>]
       member test.``Calc error inside in braces``() =
  
positive.code:     }
      f args ast
  
  [<TestFixture>]
  type ``RNGLR error recovery tests`` () =
  
  
negative.code:             printErr (num, tok, err)
          | Parser.Success (mAst, _, _) ->
              mAst.PrintAst()
              if needPrintToDot 
              then RNGLR.ParseManyReductions.defaultAstToDot mAst "Many reductions.dot"
  
      [<Test>]
      member test.``Eps error in the end``() = 
  