-orange
     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  None of the outdated revisions can have  branches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.

$ rcs -o1.2:1.4 $vcsf
RCS file: RCS/table_db.tcl,v
deleting revision 1.4
deleting revision 1.3
deleting revision 1.2