Error convertoring HTML to XHTML: System.InvalidOperationException: There was no XML start tag open. at System.Xml.XmlTextWriter.InternalWriteEndElement(Boolean longFormat) at System.Xml.XmlTextWriter.WriteFullEndElement() at System.Xml.XmlWriter.WriteNode(XmlReader reader, Boolean defattr) at FreeTextBoxControls.Support.Formatter.HtmlToXhtml(String input)