/// <summary>Initializes a new instance of the <see cref="T:System.Xml.XmlDocumentType" /> class.</summary>
/// <param name="name">The qualified name; see the <see cref="P:System.Xml.XmlDocumentType.Name" /> property.</param>
/// <param name="publicId">The public identifier; see the <see cref="P:System.Xml.XmlDocumentType.PublicId" /> property.</param>
/// <param name="systemId">The system identifier; see the <see cref="P:System.Xml.XmlDocumentType.SystemId" /> property.</param>
/// <param name="internalSubset">The DTD internal subset; see the <see cref="P:System.Xml.XmlDocumentType.InternalSubset" /> property.</param>
/// <param name="doc">The parent document.</param>
protected internal XmlDocumentType(string name, string publicId, string systemId, string internalSubset, XmlDocument doc) : base(doc)
{
XmlTextReader xmlTextReader = new XmlTextReader(this.BaseURI, new StringReader(string.Empty), doc.NameTable);
xmlTextReader.XmlResolver = doc.Resolver;
xmlTextReader.GenerateDTDObjectModel(name, publicId, systemId, internalSubset);
this.dtd = xmlTextReader.DTD;
this.ImportFromDTD();
}