From e1602f7b59ba79871076bb9886ca34a600374bdd Mon Sep 17 00:00:00 2001
From: Chong Yidong <cyd@gnu.org>
Date: Mon, 12 Mar 2012 17:55:35 +0800
Subject: [PATCH] etc/PROBLEMS: Document keyboard ghosting with M-|
 (Bug#10740).

---
 etc/PROBLEMS | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 75627f084cd..ae3f49868b2 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -302,6 +302,12 @@ Help mode due to setting `temp-buffer-show-hook' rather than using
 
 ** Keyboard problems
 
+*** Unable to enter the M-| key on some German keyboards.
+Some users have reported that M-| suffers from "keyboard ghosting".
+This can't be fixed by Emacs, as the keypress never gets passed to it
+at all (as can be verified using "xev").  You can work around this by
+typing `ESC |' instead.
+
 *** "Compose Character" key does strange things when used as a Meta key.
 
 If you define one key to serve as both Meta and Compose Character, you
-- 
2.11.4.GIT