See also How can I set the marker per item in a bullet point list? which seems cool, and they do reimplement placing markers for the default list. But it doesn’t hit your use case even if it can solve it, I think.
See also How can I set the marker per item in a bullet point list? which seems cool, and they do reimplement placing markers for the default list. But it doesn’t hit your use case even if it can solve it, I think.