f85439e42d
Ever since pmap was refactored via the reference below
(and sprinkled with those damn tabs), the response for
the absence of any argument has been an error message.
This patch restores the proper behavior ('usage' text)
and updates the dejagnu 'no arguments' expect pattern.
Reference(s):
commit d50884788df5a9706ecba6a0966f48ef8f213f41
Signed-off-by: Jim Warner <james.warner@comcast.net>