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bug#32922: Echo area flickers when receiving data in network process
From: |
Eli Zaretskii |
Subject: |
bug#32922: Echo area flickers when receiving data in network process |
Date: |
Wed, 03 Oct 2018 21:49:56 +0300 |
> From: Mitchell Plamann <mplamann@janestreet.com>
> Date: Wed, 3 Oct 2018 13:57:15 -0400
>
> Steps to reproduce:
> - Open "emacs -Q"
> - Eval (make-network-process :name "foo" :server t :service 8080 :family
> 'ipv4)
> - Press "C-x 5". After a few seconds, the echo area will display "C-x 5-".
> - In another terminal, run "yes | nc localhost 8080"
> - The "5-" in the echo area will begin to flicker.
>
> I've tested this in emacs 25.3 and 26.1.
>
> As far as I've been able to tell, the data coming in to the network process
> triggers [read_key_sequence] in
> [keyboard.c] to replay the "C-x 5" sequence. As part of this replay, it
> outputs "C-x", then "C-x 5", then "C-x 5-"
> to the echo area, which causes the "5-" to look like it is flickering.
This is deliberate, the code is explicitly written to replay the key
sequence. For more about this, see
http://lists.gnu.org/archive/html/emacs-devel/2018-09/msg00906.html