System.Xml.DTDReader.TryExpandPERef C# (CSharp) Метод

		private bool TryExpandPERef ()
		{
			if (PeekChar () != '%')
				return false;
			while (PeekChar () == '%') {
				TryExpandPERefSpaceKeep ();
				SkipWhitespace ();
			}
			return true;
		}