Specify a login name, or numerical group ID, to be erased from the list of users allowed to make
deltas (changes) to the SCCS file. Specifying a group ID is equivalent to specifying all login
names common to that group ID. Several -e options may be used on a single admin command line.
Specify a list of releases to which deltas can no longer be made (that is, get-e against one of
these locked releases fails). Conforming applications shall use the following syntax to specify a
list. Implementations may accept additional forms as an extension: