title: How to undo/redo user operations?
body: <p>The situation is:</p>
  
  <ul>
  <li>Open a file</li>
  <li>Drag minimap to the middle of this long file</li>
  <li>Click somewhere on the line I want to edit</li>
  <li>Intend to press <kbd>Home</kbd> to go to the head of the <strong>line</strong>.</li>
  <li>Accidentally press <kbd>Ctrl</kbd> + <kbd>Home</kbd></li>
  <li>Am taken to the head of the <strong>file</strong>.</li>
  </ul>
  
  <p><strong>QUESTION</strong></p>
  
  <p>Is there a shortcut to return to the line I want to edit?</p>