title: How to add <link> or <meta> tags to <head> with HtmlAgilityPack?
body: <p>The <a href="http://htmlagilitypack.codeplex.com/releases/view/44954#DownloadId=120935" rel="nofollow noreferrer">link</a> to download documentation from <a href="http://htmlagilitypack.codeplex.com" rel="nofollow noreferrer">http://htmlagilitypack.codeplex.com</a> is returning an error and I can't figure this out by trying the code.</p>
  
  <p>I'm trying to insert various tags into the <code>&lt;head&gt;</code> section of a HtmlDocument that I've loaded from a HTML string. The original issue I'm having is described <a href="https://stackoverflow.com/questions/3223444/how-to-programmatically-load-a-html-document-in-order-to-add-to-the-documents-h">here</a>.</p>
  
  <p>Can somebody give me an idea of how to achieve this? Thanks</p>