("multipart/mixed" 0
 ("text/plain" 0
  "  ... Some text appears here ...

[Note that the blank between the boundary and the start
 of the text in this part means no header fields were
 given and this is text in the US-ASCII character set.
 It could have been done with explicit typing as in the
 next part.]
")
 ("text/plain" 1
  "This could have been part of the previous part, but
illustrates explicit versus implicit typing of body
parts.
")
 ("multipart/parallel" 2
  ("audio/basic" 0
   "  ... base64-encoded 8000 Hz single-channel
      mu-law-format audio data goes here ...
")
  ("image/jpeg" 1
   "  ... base64-encoded image data goes here ...
"))
 ("text/enriched" 3
  "This is <bold><italic>enriched.</italic></bold>
<smaller>as defined in RFC 1896</smaller>

Isn't it
<bigger><bigger>cool?</bigger></bigger>
")
 ("message/rfc822" 4
  ("text/plain" 0
   "  ... Additional text in ISO-8859-1 goes here ...
"))
)
