Answer by cpowers for SyndicationFeed: Content as CDATA?

This worked for me:

public class CDataSyndicationContent : TextSyndicationContent{    public CDataSyndicationContent(TextSyndicationContent content)        : base(content)    {}    protected override void  WriteContentsTo(System.Xml.XmlWriter writer)    {        writer.WriteCData(Text);    }}

then you can:

new CDataSyndicationContent(new TextSyndicationContent(content, TextSyndicationContentKind.Html))