+@findex rmail-mime-previous-item
+@item @key{BackTab}
+Move point to the previous @acronym{MIME} part
+(@code{rmail-mime-previous-item}).
+
+@findex rmail-mime
+@item v
+@kindex v @r{(Rmail)}
+Toggle between @acronym{MIME} display and raw message
+(@code{rmail-mime}).
+@end table
+
+ Each plain-text @acronym{MIME} part is initially displayed
+immediately after its tagline, as part of the Rmail buffer, while
+@acronym{MIME} parts of other types are represented only by their
+taglines, with their actual contents hidden. In either case, you can
+toggle a @acronym{MIME} part between its ``displayed'' and ``hidden''
+states by typing @key{RET} anywhere in the part---or anywhere in its
+tagline, apart from a tagline button for some other action. Type
+@key{RET} (or click with the mouse) to activate a tagline button, and
+@key{TAB} to cycle point between tagline buttons.
+
+ The @kbd{v} (@code{rmail-mime}) command toggles between the default
+@acronym{MIME} display described above, and a ``raw'' display showing
+the undecoded @acronym{MIME} data. With a prefix argument, this
+command toggles the display of only an entity at point.
+
+ To prevent Rmail from handling MIME decoded messages, change the
+variable @code{rmail-enable-mime} to @code{nil}. When this is the
+case, the @kbd{v} (@code{rmail-mime}) command instead creates a
+temporary buffer to display the current @acronym{MIME} message.
+
+ You can highlight and activate URLs in the Rmail buffer using Goto
+Address mode: