In a way, this is backwards. hg is and has always been totally fine with multiple unnamed heads; git is the one that insists that topological heads have some re

In a way, this is backwards. hg is and has always been totally fine with multiple unnamed heads; git is the one that insists that topological heads have some ref pointing at them. But I agree with your basic point. Unnamed heads in git and unnamed heads in hg are not treated the same, and could be easy for tools to mix up. (I hadn't realized that this was even possible in git??)