using System;

using System.Xml;

using System.IO;

using System.Text;

using System.Xml.Linq;

public class Program

{

            private static readonly XmlReaderSettings ReaderSettings = new XmlReaderSettings

                                                                   {

                                                                       CheckCharacters = false, 

                                                                       CloseInput = true, 

                                                                       ConformanceLevel = ConformanceLevel.Fragment, 

                                                                       IgnoreComments = true, 

                                                                       IgnoreProcessingInstructions = true, 

                                                                       IgnoreWhitespace = true, 

                                                                       ValidationType = ValidationType.None                                                                      

                                                                   };

    public static void Main()

    {

        XmlReader reader = XmlReader.Create(new MemoryStream(Encoding.UTF8.GetBytes("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n D")), ReaderSettings);

        var x = XElement.Load(reader);

    }

}