Linus Torvalds [off-list ref] writes:
In other words, you'd have to explain what "pu^2~3" means.
And octopus merges, for that matter. I don't think the tutorial ever
explains those.
Sorry, my excuses are (1) I just did a quick example from a tree
I had handy -- my live tree; (2) as long as the user knows the
commit show-branch labeled with the cryptic "pu^2~3" is the one
s/he wants, it does not matter much what that label exactly
means.
But of course you are right.