Unicode and BOM

public void SaveFile(string path, LineTerminator lineTerminator) {
    StreamWriter writer = File.CreateText(path); 
    writer.Write(this.GetText(lineTerminator)); 
    writer.Flush(); 
    writer.Close();
}

public void SaveFile(string path, Encoding encoding, LineTerminator lineTerminator) {
    FileStream stream = File.Create(path);
    StreamWriter writer = new StreamWriter(stream, encoding);
    writer.Write(this.GetText(lineTerminator)); 
    writer.Flush(); 
    stream.Close();
}

using System;
using System.Collections.Generic;
using System.Text;

namespace MyNamespace.Text {
    public class NoPreambleUTF8Encoding : UTF8Encoding {
        #region Constructors

        /// <summary>
        /// Initializes a new instance of the <see cref="T:UTF8NoPreambleEncoding"/> class.
        /// </summary>
        public NoPreambleUTF8Encoding()
            : base(false) {
            // No-op
        }
    
        #endregion // Constructors

        #region Properties

        /// <summary>
        /// When overridden in a derived class, gets the human-readable description of the current encoding.
        /// </summary>
        /// <returns>The human-readable description of the current <see cref="T:System.Text.Encoding"></see>.</returns>
        public override String EncodingName {
            get {
                return "UTF-8 (no preamble)";
            }
        }

        #endregion // Properties
    }
}