"""Creates a multipart/* type message.
By default, creates a multipart/mixed message, with proper
- Content-Type: and MIME-Version: headers.
+ Content-Type and MIME-Version headers.
_subtype is the subtype of the multipart content type, defaulting to
`mixed'.
boundary is the multipart boundary string. By default it is
calculated as needed.
- _subparts is a sequence of initial subparts for the multipart. It
+ _subparts is a sequence of initial subparts for the payload. It
must be possible to convert this sequence to a list. You can always
attach new subparts to the message by using the attach() method.
- Additional parameters for the Content-Type: header are taken from the
+ Additional parameters for the Content-Type header are taken from the
keyword arguments (or passed into the _params argument).
"""
MIMEBase.MIMEBase.__init__(self, 'multipart', _subtype, **_params)