From: Stefan Kangas <stefan@marxist.se>
Date: Fri, 5 Nov 2021 06:49:39 +0000 (+0100)
Subject: * etc/PROBLEMS: Mention X forwarding slowdowns.  (Bug#7092)
X-Git-Tag: emacs-28.0.90~121
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=4cc22f89189648621c42984110dade2c17647878;p=emacs.git

* etc/PROBLEMS: Mention X forwarding slowdowns.  (Bug#7092)
---

diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 8055d0e4e2b..19c6fed13fe 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -1644,6 +1644,13 @@ restart the X server after the monitor configuration has been changed.
 
 * Runtime problems on character terminals
 
+*** With X forwarding, mouse highlighting can make Emacs slow.
+
+If you see slow updates when moving the mouse in an Emacs running on a
+remote X server, try this:
+
+    (setq mouse-highlight nil)
+
 ** The meta key does not work on xterm.
 
 Typing M-x rings the terminal bell, and inserts a string like ";120~".