-.TH MHICAL %manext1% "January 4, 2015" "%nmhversion%"
-.\"
+.TH MHICAL %manext1% 2015-01-04 "%nmhversion%"
+.
.\" %nmhwarning%
-.\"
+.
.SH NAME
-mhical \- manipulates an iCalendar event request
+mhical \- manipulate iCalendar event requests in nmh messages
.SH SYNOPSIS
.HP 5
.na
a reply to it, or cancel it. iCalendar event requests and replies are
defined by RFC 5545.
.PP
-.SH DISPLAY
The default operation is to display the iCalendar event request in a
human-readable format.
-.SS "Format Program Selection"
+.PP
For the display operation, the
.B \-format
.I string
environment variable, if it is set, see tzset(3). If not set, its
behavior is implementation defined, but may use the user's local
timezone.
-.SH REPLY
+.SS Reply
The
.B \-reply
switch generates a reply from the event request. The required
.IR "decline" ", or"
.IR "tentative" .
Delegation is not supported.
-.SH CANCEL
+.SS Cancel
The
.B \-cancel
switch generates an iCalendar event that can be used to cancel
the event request.
-.SH INPUT/OUTPUT
+.SS "Input/Output"
By default,
.B mhical
reads from standard input and writes to standard output. The
and
.BR \-outfile ,
respectively, switches can be used to override these defaults.
-.PP
-.SH MISCELLANEOUS SWITCHES
+.SS "Miscellaneous Switches"
The
.B \-contenttype
switch instructs
^%nmhetcdir%/mhical.24hour~^The default display template
^%nmhetcdir%/mhical.12hour~^Display template that uses 12-hour clock
.fi
-.fi
.SH "SEE ALSO"
.IR mhbuild (1),
.IR mh\-format (5),