 <td><kbd>Middle Drag</kbd></td>
  <td>Draw Line</td>
  </tr>
  <tr class="even">
  <td><kbd>Shift</kbd> + <kbd>Middle Drag</kbd></td>
  <td>Edit One Bar</td>
  </tr>
  <tr class="odd">
  <td><kbd>Ctrl</kbd> + <kbd>Middle Drag</kbd></td>
  <td>Reset to Default</td>
  </tr>
  <tr class="even">
  <td><kbd>Ctrl</kbd> + <kbd>Shift</kbd> + <kbd>Middle Drag</kbd></td>
  <td>Toggle Lock</td>
  </tr>
  <tr class="odd">
  <td><kbd>a</kbd></td>
  <td>Alternate Sign</td>
  </tr>
  <tr class="even">
  <td><kbd>d</kbd><