title: What package version does @next specify for npm?
body: <p>What version of package <code>foo</code> will this command install?</p>
  
  <pre><code>npm install foo@next
  </code></pre>
  
  <p>The <a href="https://docs.npmjs.com/files/package.json#dependencies" rel="noreferrer">package.json</a> and <a href="https://docs.npmjs.com/misc/semver" rel="noreferrer">semver docs</a> don't mention <code>next</code>.</p>