VMS Help SET, MESSAGE, Qualifiers  *Conan The Librarian (sorry for the slow response - running on an old VAX)

1 - /DELETE

    Removes any process-permanent message files currently in effect.
    Do not specify the filespec parameter with the /DELETE qualifier.

2 - /FACILITY

       /FACILITY (default)
       /NOFACILITY

    Formats messages so that the facility name prefix appears.

3 - /IDENTIFICATION

       /IDENTIFICATION (default)
       /NOIDENTIFICATION

    Formats messages so that the message identification prefix
    appears.

4 - /SEVERITY

       /SEVERITY (default)
       /NOSEVERITY

    Formats messages so that the severity level appears.

5 - /TEXT

       /TEXT (default)
       /NOTEXT

    Formats messages so that the message text appears.