Fixed @with_argument_decorator so that built-in help text is preserved

1 files changed, 4 insertions, 0 deletions

diff --git a/cmd2.py b/cmd2.py
index 045f1a39..c8682dc5 100755
--- a/cmd2.py
+++ b/cmd2.py
@@ -258,6 +258,7 @@ def parse_quoted_string(cmdline):
             lexed_arglist = temp_arglist
     return lexed_arglist
 
+
 def with_argument_parser(argparser):
     """A decorator to alter a cmd2 method to populate its ``opts``
     argument by parsing arguments with the given instance of
@@ -293,6 +294,8 @@ def with_argument_list(func):
     def cmd_wrapper(self, cmdline):
         lexed_arglist = parse_quoted_string(cmdline)
         func(self, lexed_arglist)
+
+    cmd_wrapper.__doc__ = func.__doc__
     return cmd_wrapper
 
 
@@ -1672,6 +1675,7 @@ a..b, a:b, a:, ..b   by indices (inclusive)
 arg is string        containing string
 arg is /regex/       matching regular expression regex"""
     argparser.add_argument('arg', nargs='*', help=_history_arg_help)
+
     @with_argument_parser(argparser)
     def do_history(self, arglist, args):
         # If an argument was supplied, then retrieve partial contents of the history