From 4bd5f47ddb0e8809c4fb0f0402703efc8f1d4811 Mon Sep 17 00:00:00 2001
From: Ulrike Fischer <fischer@troubleshooting-tex.de>
Date: Wed, 12 Feb 2025 17:58:52 +0100
Subject: [PATCH] fix conditional

---
 tagpdf-struct.dtx | 2 +-
 tagpdf.dtx        | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/tagpdf-struct.dtx b/tagpdf-struct.dtx
index 75cd05b..4bb625c 100644
--- a/tagpdf-struct.dtx
+++ b/tagpdf-struct.dtx
@@ -878,7 +878,7 @@
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_struct_fill_kid_key:n #1 %#1 is the struct num
   {
-    \sys_if_engine_luatex:TF
+    \sys_if_engine_luatex:F
      {
         \seq_clear:N \l_@@_tmpa_seq
         \seq_map_inline:cn { g_@@_struct_kids_#1_seq }
diff --git a/tagpdf.dtx b/tagpdf.dtx
index 1b52288..ade9311 100644
--- a/tagpdf.dtx
+++ b/tagpdf.dtx
@@ -207,8 +207,11 @@
 %</base>
 %    \end{macrocode} 
 %\section{Package options}
+% The boolean is kept for now for compability, can go in 2026.
 %    \begin{macrocode}
 %<*package>
+\bool_new:N\g_@@_mode_lua_bool
+\sys_if_engine_luatex:T {\bool_gset_true:N \g_@@_mode_lua_bool}
 \DeclareOption {luamode}  { }
 \DeclareOption {genericmode}{ }
 \ProcessOptions