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+==================
+Email command help
+==================
+
+You can get some help about the various email commands that are available by
+sending the word `help` to a mailing list's -request address.
+
+    >>> mlist = create_list('test@example.com')
+    >>> from mailman.commands.eml_help import Help
+    >>> help = Help()
+    >>> print help.name
+    help
+    >>> print help.description
+    Get help about available email commands.
+    >>> print help.argument_description
+    [command]
+
+With no arguments, `help` provides a list of the available commands and a
+short description of each of them.
+::
+
+    >>> from mailman.runners.command import Results
+    >>> results = Results()
+
+    >>> from mailman.email.message import Message
+    >>> print help.process(mlist, Message(), {}, (), results)
+    ContinueProcessing.yes
+    >>> print unicode(results)
+    The results of your email command are provided below.
+    <BLANKLINE>
+    confirm     - Confirm a subscription request.
+    echo        - Echo back your arguments.
+    end         - Stop processing commands.
+    help        - Get help about available email commands.
+    join        - Join this mailing list.
+    leave       - Leave this mailing list.
+    stop        - An alias for 'end'.
+    subscribe   - An alias for 'join'.
+    unsubscribe - An alias for 'leave'.
+    <BLANKLINE>
+
+With an argument, you can get more detailed help about a specific command.
+
+    >>> results = Results()
+    >>> print help.process(mlist, Message(), {}, ('help',), results)
+    ContinueProcessing.yes
+    >>> print unicode(results)
+    The results of your email command are provided below.
+    <BLANKLINE>
+    help [command]
+    Get help about available email commands.
+    <BLANKLINE>
+    
+Some commands have even more detailed help.
+
+    >>> results = Results()
+    >>> print help.process(mlist, Message(), {}, ('join',), results)
+    ContinueProcessing.yes
+    >>> print unicode(results)
+    The results of your email command are provided below.
+    <BLANKLINE>
+    join [digest=<no|mime|plain>]
+    Join this mailing list.
+    <BLANKLINE>
+    You will be asked to confirm your subscription request and you may be
+    issued a provisional password.
+    <BLANKLINE>
+    By using the 'digest' option, you can specify whether you want digest
+    delivery or not.  If not specified, the mailing list's default delivery
+    mode will be used.
+    <BLANKLINE>