commit: allow closing "non-head" changesets...
commit: allow closing "non-head" changesets
Backout acd61dc44a39. The changeset prevented closing non-head changesets but
did not provide any rationale or test case and I don't see what value it adds.
Users might have their reasons to commit something anywhere - and close it
immediately.
And contrary to the comment that is removed: The topo heads set is _not_
included in the branch heads set of the current branch. It do not include
closed topological heads.
The change thus prevented closing commits on top of closing commits. A valid
usecase for that is to merge closed heads to reduce the number of topological
heads.
The only existing test coverage for this is the failing double close in
test-revset.t. It was added in
3cc2e34d7a7d and seems to not be intentional.