title: ESLint: What does it mean if a rule is fixable?
body: <p>According to <a href="http://eslint.org/docs/rules/" rel="nofollow">ESLint: Docs: Rules</a>,</p>
  
  <blockquote>
    <p>Some rules are fixable using the --fix command line flag. </p>
  </blockquote>
  
  <p>What does that mean?</p>