From 1a76ae5f63dc44c4bfefe0660d30c55db00c0955 Mon Sep 17 00:00:00 2001
From: GlazerMann <kurt@ioiowa.com>
Date: Fri, 20 Dec 2024 08:28:17 -0600
Subject: [PATCH] Single zero is valid for some CS journals

---
 Template.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Template.php b/Template.php
index 0f3c9220a3..14083182ba 100644
--- a/Template.php
+++ b/Template.php
@@ -7503,7 +7503,7 @@ public function tidy_parameter(string $param): void
      }
      // Remove leading zeroes
      $value = $this->get($param);
-     if ($value !== '') {
+     if ($value !== '' && $value !== '0') { // Single zero is valid for some CS journals
       $value = safe_preg_replace('~^0+~', '', $value);
       if ($value === '') {
        $this->forget($param); // Was all zeros