[Twisted-Python] t.p.usage patch

[Joe Halliwell]

Hi,

Quick patch for t.p.usage to (self-)document the builtin "--help" flag.

Cheers,
Joe

*** usage.py    Mon Sep 23 17:12:53 2002
--- usage.py.patched    Mon Sep 23 17:20:35 2002
*************** class Options(UserDict.UserDict):
*** 149,154 ****
--- 149,155 ----
              raise AttributeError("%s instance has no attribute '%s'" % 
(self.__class__, attr))

      def opt_help(self):
+         """Display this help and exit."""
          print self.__str__()
          sys.exit(0)