OSSP CVS Repository
To create a tag that occurs before check-in , go to the root of the source tree and enter the following CVS command:
cvs rtag -D '2001-08-27 13:45:52 UTC' <tag-name> .
Be careful to include the dot (".") at the end of the line! To create a branch that occurs before the check-in, enter this command:
cvs rtag -b -D '2001-08-27 13:45:52 UTC' <branch-name> .