! Copyright (c) 1990-1997  Michael Sandrof, Troy Rollo, Matthew Green,
! and other ircII contributors.
!
! All rights reserved.  See the HELP IRCII COPYRIGHT file for more
! information.
!
Usage: USERS [<channel>] [<wildcards>] [<options>] [<reason>]
  Performs some action on users matching the wildcards and options
  in a channel.  If no options are given, a list of users is shown
  instead.

  Valid options:
    -OPS    -- makes it only select ops
    -NONOPS -- makes it only select non-ops
    -KILL   -- kills users matching the pattern
    -MSG    -- sends a msg to all users matching the pattern
    -NOTICE -- sends a notice to all users matching the pattern
