https://debbugs.gnu.org/80868

From cd74dc30f8cc5814c7805c9cee52302b6d34d811 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 20 Apr 2026 10:22:33 -0700
Subject: [PATCH] zgrep: fix quoting typo

* zgrep.in: Fix quoting typo in option parsing.
Problem reported by Leenear (bug#80868).
--- a/zgrep.in
+++ b/zgrep.in
@@ -172,7 +172,7 @@ while test $# -ne 0; do
   esac
 
   case $option in
-  (*\'?*)
+  (*\'*)
     option=\'$(printf '%s\n' "$option" | LC_ALL=C sed "$escape");;
   (*)
     option="'$option'";;
-- 
2.51.0