<p>FWIW the Taking Manager already has an approach to this. They use square brackets for names with spaces in, for example @[Jo Schmo]. So yes it's possible, though obviously the space thing makes it a bit clunkier.<br>
<a href="https://github.com/hotosm/osm-tasking-manager2/issues/369" class="issue-link" title="Users with space in their name may not be reachable for mentions">hotosm/osm-tasking-manager2#369</a></p>

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