System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
   at System.Collections.Generic.List`1.set_Capacity(Int32 value)
   at System.Collections.Generic.List`1.EnsureCapacity(Int32 min)
   at System.Collections.Generic.List`1.Add(T item)
   at HtmlAgilityPack.HtmlAttributeCollection.Append(HtmlAttribute newAttribute)
   at HtmlAgilityPack.HtmlDocument.Parse()
   at HtmlAgilityPack.HtmlDocument.Load(TextReader reader)
   at HtmlAgilityPack.HtmlDocument.LoadHtml(String html)
   at sidearm.MarkupParser.do_html_transforms(String content, IEnumerable`1 transforms)
   at sidearm.MarkupParser.DoHtmlTransforms(String content, HttpContext context)