System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
   at System.Globalization.TextInfo.InternalChangeCaseString(IntPtr handle, IntPtr handleOrigin, String localeName, String str, Boolean isToUpper)
   at System.Globalization.TextInfo.ToLower(String str)
   at System.String.ToLower(CultureInfo culture)
   at HtmlAgilityPack.HtmlAttribute.get_Name()
   at HtmlAgilityPack.HtmlNode.WriteAttribute(TextWriter outText, HtmlAttribute att)
   at HtmlAgilityPack.HtmlNode.WriteAttributes(TextWriter outText, Boolean closing)
   at HtmlAgilityPack.HtmlNode.WriteTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteContentTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteContentTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteContentTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteContentTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteContentTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteContentTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteTo(TextWriter outText)
   at HtmlAgilityPack.HtmlNode.WriteTo()
   at HtmlAgilityPack.HtmlNode.get_OuterHtml()
   at sidearm.MarkupParser.do_html_transforms(String content, IEnumerable`1 transforms)
   at sidearm.MarkupParser.DoHtmlTransforms(String content, HttpContext context)