master a27512e 2/3: * lisp/flow-ctrl.el: Use lexical-binding.

[Stefan Kangas]

branch: master
commit a27512e21c710ab39a0b811701a952db482204c1
Author: Stefan Kangas <stefan@marxist.se>
Commit: Stefan Kangas <stefan@marxist.se>

    * lisp/flow-ctrl.el: Use lexical-binding.
    
    * lisp/flow-ctrl.el (enable-flow-control): Minor cleanup.
---
 lisp/flow-ctrl.el | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/lisp/flow-ctrl.el b/lisp/flow-ctrl.el
index 656edf2..adb52d7 100644
--- a/lisp/flow-ctrl.el
+++ b/lisp/flow-ctrl.el
@@ -1,4 +1,4 @@
-;;; flow-ctrl.el --- help for lusers on cu(1) or ttys with wired-in ^S/^Q flow 
control
+;;; flow-ctrl.el --- help for lusers on cu(1) or ttys with wired-in ^S/^Q flow 
control  -*- lexical-binding: t -*-
 
 ;; Copyright (C) 1990-1991, 1994, 2001-2021 Free Software Foundation,
 ;; Inc.
@@ -64,12 +64,11 @@ With arg, enable flow control mode if arg is positive, 
otherwise disable."
       (progn
        ;; Turn flow control off, and stop exchanging chars.
        (set-input-mode t nil (nth 2 (current-input-mode)))
-       (if keyboard-translate-table
-           (progn
-             (aset keyboard-translate-table flow-control-c-s-replacement nil)
-             (aset keyboard-translate-table ?\^s nil)
-             (aset keyboard-translate-table flow-control-c-q-replacement nil)
-             (aset keyboard-translate-table ?\^q nil))))
+        (when keyboard-translate-table
+          (aset keyboard-translate-table flow-control-c-s-replacement nil)
+          (aset keyboard-translate-table ?\^s nil)
+          (aset keyboard-translate-table flow-control-c-q-replacement nil)
+          (aset keyboard-translate-table ?\^q nil)))
     ;; Turn flow control on.
     ;; Tell emacs to pass C-s and C-q to OS.
     (set-input-mode nil t (nth 2 (current-input-mode)))