>From fb9a4811b7891a002f549ff7bbcd34d19ec58b94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcel=20Fabian=20Kr=C3=BCger?= <tex@2krueger.de>
Date: Sun, 27 Nov 2022 14:38:23 +0100
Subject: [PATCH 4/4] Make disc node prev pointers more uniform

---
 source/texk/web2c/luatexdir/lang/texlang.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/source/texk/web2c/luatexdir/lang/texlang.c b/source/texk/web2c/luatexdir/lang/texlang.c
index a0d067251..3cbbdd3b4 100644
--- a/source/texk/web2c/luatexdir/lang/texlang.c
+++ b/source/texk/web2c/luatexdir/lang/texlang.c
@@ -470,12 +470,7 @@ static halfword compound_word_break(halfword t, int clang)
 void set_disc_field(halfword f, halfword t)
 {
     if (t != null) {
-        /*tex
-            No |couple_nodes(f, t);| as we can better not expose |f| as |prev|
-            pointer.
-        */
-        vlink(f) = t ;
-        alink(t) = null ;
+        couple_nodes(f, t);
         tlink(f) = tail_of_list(t);
     } else {
         vlink(f) = null;
-- 
2.38.1