.RB [ \-prefer
.IR content ]
\&...
+.RB [ \-noprefer ]
.RB [ \-concat " | " \-noconcat ]
.RB [ \-textonly " | " \-notextonly ]
.RB [ \-inlineonly " | " \-noinlineonly ]
switches will override the default settings of
.B \-textonly
and
-.BR \-inlineonly.
+.BR \-inlineonly .
.PP
The
.B \-header
will select the "best" displayable subpart from multipart/alternative
content. The
.B \-prefer
-switch can be used (one or more times, in order of descending
+switch can be used (one or more times, in order of ascending
preference) to let MH know which content types from a
multipart/alternative MIME part are preferred by the user, in order to
override the default selection for display. For example, mail is
the ordering of multipart/alternative parts will appear to change when
invoked with or without various
.B \-prefer
+switches. Since the last of multiple
+.B \-prefer
+options "wins", a
+.B \-prefer
+on the command line will override any in a profile entry.
+.PP
+The
+.B \-noprefer
+switch will cancel any previous
+.B \-prefer
switches.
.SS "Unseen Sequence"
If the profile entry \*(lqUnseen\-Sequence\*(rq is present and
.PP
to automatically append a suffix to the temporary files.
.PP
+The matching with the content type identifier is case-insensitive, both in
+mhshow-suffix-<type> and mhshow-show-<type> (below) profile entries.
+.PP
The method used to display the different contents in the messages bodies
will be determined by a \*(lqdisplay string\*(rq. To find the display
string,
the next display string.
.PP
The {parameter} escape is typically used in a command line argument
-that should only be present if it has a non-null value. Its value
-will be wrapped with single quotes if the escape is not so wrapped.
+that should only be present if it has a non-null value. It is highly
+recommended that the entire escape be wrapped in double quotes.
Shell parameter expansion can construct the argument only when it is
non-null, e.g.,
.PP
.RS 5
.nf
-mhshow-show-text/html: charset=%{charset};
+mhshow-show-text/html: charset="%{charset}";
w3m ${charset:+-I $charset} -T text/html %F
.fi
.RE