title: How to reverse-i-search back and forth?
body: <p>I use <code>reverse-i-search</code> often, and that's cool. Sometime though when pressing <kbd>CTRL</kbd>+<kbd>r</kbd> multiple times, I <em>pass</em> the command I am actually looking for. Because <kbd>CTRL</kbd>+<kbd>r</kbd> searches backward in history, from newest to oldest, I have to:</p>
  
  <ol>
  <li>cancel,</li>
  <li>search again and</li>
  <li>stop exactly at the command, without passing it.</li>
  </ol>
  
  <p>While in <code>reverse-i-search</code> prompt, is it possible to search forward, i.e. from where I stand to newest. I naively tried <kbd>CTRL</kbd>+<kbd>Shift</kbd>+<kbd>r</kbd>, no luck. I heard about <kbd>CTRL</kbd>+<kbd>g</kbd> but this is not what I am expecting here. Anyone has an idea?</p>