protected void LoadStylesheetFromReader(XmlReader reader, XsltSettings settings, XmlResolver resolver)
 {
     if (SupportCharacterMaps)
     {
         var cmr = new CharacterMappingXmlReader(reader);
         CompiledTransform.Load(cmr, settings, resolver);
         _characterMap = cmr.CompileCharacterMapping();
     }
     else
     {
         CompiledTransform.Load(reader, settings, resolver);
     }
 }
 public CharacterMappingXmlWriter(CharacterMappingXmlReader reader, XmlWriter baseWriter)
     : base(baseWriter)
 {
     _reader = reader;
 }