<tr><th><kbd class="osc">/add_marker</kbd></th>
<td>(adds marker to the current transport position)</td></tr>
<tr><th><kbd class="osc">/remove_marker</kbd></th>
<td>Removes marker at the current transport position (if there is one)</td></tr>
<tr><th><kbd class="osc">/next_marker</kbd></th>
<tr><th><kbd class="osc">/add_marker</kbd></th>
<td>(adds marker to the current transport position)</td></tr>
<tr><th><kbd class="osc">/remove_marker</kbd></th>
<td>Removes marker at the current transport position (if there is one)</td></tr>
<tr><th><kbd class="osc">/next_marker</kbd></th>