[src/trunk]: src/usr.bin/mail Document more environment settings.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/62dcea0faeb8
branches:  trunk
changeset: 785341:62dcea0faeb8
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Mar 09 19:43:20 2013 +0000

description:
Document more environment settings.

diffstat:

 usr.bin/mail/mail.1 |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (33 lines):

diff -r f38dbccab15b -r 62dcea0faeb8 usr.bin/mail/mail.1
--- a/usr.bin/mail/mail.1       Sat Mar 09 19:43:07 2013 +0000
+++ b/usr.bin/mail/mail.1       Sat Mar 09 19:43:20 2013 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: mail.1,v 1.59 2010/12/23 20:11:00 njoly Exp $
+.\"    $NetBSD: mail.1,v 1.60 2013/03/09 19:43:20 christos Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"    @(#)mail.1      8.8 (Berkeley) 4/28/95
 .\"
-.Dd February 18, 2009
+.Dd March 9, 2013
 .Dt MAIL 1
 .Os
 .Sh NAME
@@ -2251,8 +2251,14 @@
 .Bl -tag -width /usr/share/misc/mail.*help -compact
 .It Pa /var/mail/*
 Post office.
+This can be overwritten by setting the
+.Ev MAIL
+environment variable.
 .It ~/mbox
 User's old mail.
+This can be overritten by setting the
+.Ev MBOX
+environment variable.
 .It ~/.mailrc
 File giving initial mail commands.
 This can be overridden by setting the