title: R Markdown Add Tag to Head of HTML Output
body: <p>How do I add an HTML meta tag within the head of an RMarkdown HTML output file from RStudio?</p>
  
  <p>In particular I am trying to insert the following to over come IE compatibility issues on our intranet.   </p>
  
  <pre><code>&lt;head&gt;
      &lt;meta http-equiv="X-UA-Compatible" content="IE=edge" /&gt;
  &lt;/head&gt;
  </code></pre>