private SyndicationLink TryReadDocumentationFromExtension(SyndicationElementExtensionCollection elementExtensions)
{
SyndicationElementExtension documentationElement = elementExtensions
.Where(e => e.OuterName == Rss20Constants.DocumentationTag && e.OuterNamespace == Rss20Constants.Rss20Namespace)
.FirstOrDefault();
if (documentationElement == null)
{
return(null);
}
using (XmlReader reader = documentationElement.GetReader())
{
SyndicationLink documentation = Rss20FeedFormatter.ReadAlternateLink(reader, BaseUri, SyndicationFeedFormatter.DefaultUriParser, preserveAttributeExtensions: true);
return(documentation);
}
}