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### 1.3 Handles

A MIME handle is a list that fully describes a MIME component.

The following macros can be used to access elements in a handle:

`mm-handle-buffer`

  Return the buffer that holds the contents of the undecoded MIME part.

`mm-handle-type`

  Return the parsed `Content-Type` of the part.

`mm-handle-encoding`

  Return the `Content-Transfer-Encoding` of the part.

`mm-handle-undisplayer`

  Return the object that can be used to remove the displayed part (if it has been displayed).

`mm-handle-set-undisplayer`

  Set the undisplayer object.

`mm-handle-disposition`

  Return the parsed `Content-Disposition` of the part.

`mm-get-content-id`

  Returns the handle(s) referred to by `Content-ID`.