-.TH MHSHOW %manext1% "April 9, 2014" "%nmhversion%"
+.TH MHSHOW %manext1% "March 24, 2016" "%nmhversion%"
.\"
.\" %nmhwarning%
.\"
.RB [ \-concat " | " \-noconcat ]
.RB [ \-textonly " | " \-notextonly ]
.RB [ \-inlineonly " | " \-noinlineonly ]
+.RB [ \-header " | " \-noheader ]
.RB [ \-form
.IR formfile ]
.RB [ \-markform
.B \-noinlineonly
switches.
In addition, by using the
-.B \-part
+.BR \-part ,
+.BR \-type ,
and
-.B \-type
-switches, you may
-further limit the scope of
-.B mhshow
-to particular subparts (of a
-multipart content) and/or particular content types. The inclusion of any
+.B \-prefer
+switches, you may limit and reorder the set of parts to be displayed,
+based on part number and/or content type.
+The inclusion of any
.B \-part
or
.B \-type
and
.BR \-inlineonly.
.PP
+The
+.B \-header
+switch control whether
+.B mhshow
+will print a message separator header before each message that it
+displays. The header format can be controlled using
+.B \-headerform
+to specify a file containing
+.IR mh\-format (5)
+instructions. A copy of the built-in default
+headerform can be found in %nmhetcdir%/mhshow.header, for reference.
+In addition to the normal set of
+.IR mh\-format (5)
+instructions, a "%{folder}" escape provides a
+string representing the current folder.
+.PP
By default
.B mhshow
-will concatenate all content under one pager. If you which each part to
+will concatenate all content under one pager. If you want each part to
displayed separately, you can override the default behavior with
.B \-noconcat.
.PP
from a multipart/alternative, even if there is more than one
subpart that matches (one of) the given content type(s).
.PP
+Using either
+.B \-part
+or
+.B -type
+switches alone will cause either to select
+the part(s) they match. Using them together will select only
+the part(s) matched by both (sets of) switches. In other
+words, the result is the intersection, and not the union, of their
+separate match results.
+.PP
A content specification consists of a content type and a subtype.
The initial list of \*(lqstandard\*(rq content types and subtypes can
be found in RFC 2046.
.B \-markform
switch to specify a file containing
.IR mh\-format (5)
-instructions to use when displaying the content marker. In addition to
-the normal set of
+instructions to use when displaying the content marker. A copy of the
+default markform can be found in %nmhetcdir%/mhshow.marker, for
+reference. In addition to the normal set of
.IR mh\-format (5)
instructions, the following
.I component
^%nmhetcdir%/mhn.defaults~^System default MIME profile entries
^%nmhetcdir%/mhl.headers~^The headers template
^%nmhetcdir%/mhshow.marker~^Example content marker
+^%nmhetcdir%/mhshow.header~^Example message separator header
.fi
.SH "PROFILE COMPONENTS"
.fc ^ ~