.. class:: Message(message=None)
- A subclass of the :mod:`email.Message` module's :class:`Message`. Subclasses of
- :class:`mailbox.Message` add mailbox-format-specific state and behavior.
+ A subclass of the :mod:`email.message` module's
+ :class:`~email.message.Message`. Subclasses of :class:`mailbox.Message` add
+ mailbox-format-specific state and behavior.
If *message* is omitted, the new instance is created in a default, empty state.
- If *message* is an :class:`email.Message.Message` instance, its contents are
+ If *message* is an :class:`email.message.Message` instance, its contents are
copied; furthermore, any format-specific information is converted insofar as
possible if *message* is a :class:`Message` instance. If *message* is a string,
a byte string,