Deletes ("outdates") the revisions given by range. A range consisting of a single revision number means that revision. A range consisting of a branch number means the latest revision on that branch. A range of the form rev1:rev2 means revisions rev1 to rev2 on the same branch, :rev means from the beginning of the branch containing rev up to and including rev, and rev: means from revision rev to the end of the branch containing rev. None of the outdated revisions can have branches or locks.