Document LC_CTYPE.

The lack of this entry was reported by Jan Stary <hans at stare dot cz>.
OK czarkoff@ jmc@

1 files changed, 19 insertions, 3 deletions

diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index 7be363ed889..cae817e4592 100644
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ps.1,v 1.110 2016/10/19 18:34:05 schwarze Exp $
+.\"	$OpenBSD: ps.1,v 1.111 2016/10/26 01:20:39 schwarze Exp $
 .\"	$NetBSD: ps.1,v 1.16 1996/03/21 01:36:28 jtc Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1991, 1993, 1994
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)ps.1	8.3 (Berkeley) 4/18/94
 .\"
-.Dd $Mdocdate: October 19 2016 $
+.Dd $Mdocdate: October 26 2016 $
 .Dt PS 1
 .Os
 .Sh NAME
@@ -537,7 +537,7 @@ Exit or stop status (valid only for stopped or zombie process).
 .Sh ENVIRONMENT
 The following environment variables affect the execution of
 .Nm :
-.Bl -tag -width "COLUMNS"
+.Bl -tag -width LC_CTYPE
 .It Ev COLUMNS
 If set to a positive integer,
 output is formatted to the given width in columns.
@@ -551,6 +551,22 @@ and
 .Dv stdin
 are a terminal,
 79 columns are used.
+.It Ev LC_CTYPE
+The character encoding
+.Xr locale 1 .
+It decides which byte sequences form characters,
+which characters are printable, and what their display width is.
+If unset or set to
+.Qq C ,
+.Qq POSIX ,
+or an unsupported value, only printable ASCII characters are printed.
+Tabs, newlines, non-printable ASCII characters, and non-ASCII bytes
+are encoded with
+.Xr vis 3 .
+If UTF-8 output is enabled, valid characters that are not printable
+are replaced with the Unicode replacement character U+FFFD.
+These rules for example apply to command names, arguments, and
+environments and to directory, user, and group names.
 .It Ev TZ
 The time zone to use when displaying dates.
 See