From: "Dr. Tobias Quathamer" <toddy@debian.org>
Date: Sat, 6 Feb 2016 01:22:07 +0100
Subject: console_codes.4

---
 man4/console_codes.4 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/man4/console_codes.4 b/man4/console_codes.4
index eb1b9ca..6e44308 100644
--- a/man4/console_codes.4
+++ b/man4/console_codes.4
@@ -19,6 +19,7 @@
 .\" Tiny correction, aeb, 961107.
 .\"
 .\" 2006-05-27, Several corrections - Thomas E. Dickey
+.\" Modified Thu Dec 13 23:23:41 2001 by Martin Schulze <joey@infodrom.org>
 .\"
 .TH CONSOLE_CODES 4 2016-07-17 "Linux" "Linux Programmer's Manual"
 .SH NAME
@@ -559,8 +560,11 @@ ESC m		Memory unlock (per HP terminals).
 ESC n	LS2	Invoke the G2 character set.
 ESC o	LS3	Invoke the G3 character set.
 ESC |	LS3R	Invoke the G3 character set as GR.
+		Has no visible effect in xterm.
 ESC }	LS2R	Invoke the G2 character set as GR.
+		Has no visible effect in xterm.
 ESC ~	LS1R	Invoke the G1 character set as GR.
+		Has no visible effect in xterm.
 .TE
 .PP
 It also recognizes ESC % and provides a more complete UTF-8
