title: Extract just the link from "a href"
body: <p><code>xmllint sample.xml --xpath "//a[text()='some value']/@href"</code></p>
  
  <p>outputs:</p>
  
  <p><code>href="http://some.address"</code></p>
  
  <p>How can I output just the link without attribute name?</p>