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Diffstat (limited to 'Doc/library/email.message.rst')
| -rw-r--r-- | Doc/library/email.message.rst | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Doc/library/email.message.rst b/Doc/library/email.message.rst index 93dda69..7e939c9 100644 --- a/Doc/library/email.message.rst +++ b/Doc/library/email.message.rst @@ -40,7 +40,10 @@ Here are the methods of the :class:`Message` class: Return the entire message flattened as a string. When optional *unixfrom* is ``True``, the envelope header is included in the returned string. - *unixfrom* defaults to ``False``. + *unixfrom* defaults to ``False``. Flattening the message may trigger + changes to the :class:`Message` if defaults need to be filled in to + complete the transformation to a string (for example, MIME boundaries may + be generated or modified). Note that this method is provided as a convenience and may not always format the message the way you want. For example, by default it mangles |