GPPG+GPLex - что исправить для русской кодировки

        TextWriter OutputWriter()
        {
            TextWriter rslt = null;
            if (this.outName.Equals("-"))
            {
                rslt = Console.Out;
                if (verbose) msgWrtr.WriteLine("GPLEX: output sent to StdOut");
            }
            else
            {
                outputFile = OutputFile();
                rslt = new StreamWriter(outputFile,Encoding.GetEncoding(1252)); // SSM
            }
            return rslt;
        }
 
        StreamWriter ListingFile(string outName)
        {
            try
            {
                listFile = new FileStream(outName, FileMode.Create);
                if (verbose) msgWrtr.WriteLine("GPLEX: opened listing file <{0}>", outName);
                return new StreamWriter(listFile, Encoding.GetEncoding(1252)); // SSM
            }
            catch (IOException)
            {
                handler.AddError("GPLEX: listing file <" + outName + "> not created", aast.AtStart);
                return null;
            }
        }

internal void Generate(List<AutomatonState> states, Grammar grammar)
        {
                ...
                try
                {
                    FileStream fStrm = new FileStream(grammar.OutFileName, FileMode.Create);
                    sWrtr = new StreamWriter(fStrm,Encoding.GetEncoding(1252)); // SSM