public static HtmlAgilityPack.HtmlNode Purify(this HtmlAgilityPack.HtmlNode source)
{
var clone = source.Clone();
var textNodes = clone.ChildNodes.Where(w => w.NodeType == HtmlAgilityPack.HtmlNodeType.Text).ToArray();
clone.RemoveAllChildren();
foreach (var textNode in textNodes)
{
clone.AppendChild(textNode);
}
return(clone);
}
