/// <summary>
 /// Creates a new DTD tokenizer with the given source and container.
 /// </summary>
 /// <param name="container">The container to use.</param>
 /// <param name="src">The source to inspect.</param>
 public DtdPlainTokenizer(DtdContainer container, SourceManager src)
     : base(src)
 {
     _container = container;
     _external = true;
     _stream = new IntermediateStream(src);
 }
 /// <summary>
 /// Creates a new DTD tokenizer with the given source and container.
 /// </summary>
 /// <param name="container">The container to use.</param>
 /// <param name="src">The source to inspect.</param>
 public DtdPlainTokenizer(DtdContainer container, SourceManager src)
     : base(src)
 {
     _container = container;
     _external  = true;
     _stream    = new IntermediateStream(src);
 }