===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/from/from.1,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -r1.12 -r1.13
--- src/usr.bin/from/from.1	2013/08/12 14:19:53	1.12
+++ src/usr.bin/from/from.1	2015/06/02 15:44:17	1.13
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: from.1,v 1.12 2013/08/12 14:19:53 jmc Exp $
+.\"	$OpenBSD: from.1,v 1.13 2015/06/02 15:44:17 millert Exp $
 .\"	$NetBSD: from.1,v 1.4 1995/09/01 01:39:09 jtc Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)from.1	8.2 (Berkeley) 12/30/93
 .\"
-.Dd $Mdocdate: August 12 2013 $
+.Dd $Mdocdate: June 2 2015 $
 .Dt FROM 1
 .Os
 .Sh NAME
@@ -68,6 +68,19 @@
 .Ar user Ns 's
 mailbox is examined instead of the invoker's own mailbox.
 (Privileges are required.)
+.Sh ENVIRONMENT
+.Nm
+utilizes the
+.Ev LOGNAME ,
+.Ev MAIL ,
+and
+.Ev USER
+environment variables.
+.Pp
+If the
+.Ev MAIL
+environment variable is set, its value is used as the path to the
+user's mail spool.
 .Sh FILES
 .Bl -tag -width /var/mail/* -compact
 .It Pa /var/mail/*