[src/trunk]: src/lib/libc/gen Mark up LC_CTYPE as environment variable.

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

details:   https://anonhg.NetBSD.org/src/rev/b2aea053d74a
branches:  trunk
changeset: 784901:b2aea053d74a
user:      wiz <wiz%NetBSD.org@localhost>
date:      Wed Feb 13 22:19:48 2013 +0000

description:
Mark up LC_CTYPE as environment variable.

diffstat:

 lib/libc/gen/vis.3 |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (26 lines):

diff -r 84d408f14f57 -r b2aea053d74a lib/libc/gen/vis.3
--- a/lib/libc/gen/vis.3        Wed Feb 13 22:19:18 2013 +0000
+++ b/lib/libc/gen/vis.3        Wed Feb 13 22:19:48 2013 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: vis.3,v 1.35 2013/02/13 22:17:12 christos Exp $
+.\"    $NetBSD: vis.3,v 1.36 2013/02/13 22:19:48 wiz Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -397,11 +397,13 @@
 .Sh MULTIBYTE CHARACTER SUPPORT
 These functions support multibyte character input.
 The encoding conversion is influenced by the setting of the
-LC_CTYPE environment variable which defines the set of characters
+.Ev LC_CTYPE
+environment variable which defines the set of characters
 that can be copied without encoding.
 .Pp
-When 8-bit data is present in the input, LC_CTYPE must be set to
-the correct locale or to the C locale.
+When 8-bit data is present in the input,
+.Ev LC_CTYPE
+must be set to the correct locale or to the C locale.
 If the locales of the data and the conversion are mismatched,
 multibyte character recognition may fail and encoding will be performed
 byte-by-byte instead.