From 77d18f1a7493c547d57bf7b1f9e9157031a2824e Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sun, 19 Jan 2025 20:53:39 +0100
Subject: [PATCH] ucw-pdfmeta: Do not emit /Outline if there are no outline
 items

---
 ucw-pdfmeta.lua | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/ucw-pdfmeta.lua b/ucw-pdfmeta.lua
index 80e743a..07e22a8 100644
--- a/ucw-pdfmeta.lua
+++ b/ucw-pdfmeta.lua
@@ -195,9 +195,11 @@ end
 
 function pdfmeta.make_outline()
 	local o = pdfmeta.outline
-	reserve_objects(o)
-	gen_outline(o, nil)
-	-- dump_table(o)
-	write_outline(o)
-	pdfmeta.catalog.Outlines = outline_ref(o)
+	if o.children[1] or o.text then
+		reserve_objects(o)
+		gen_outline(o, nil)
+		-- dump_table(o)
+		write_outline(o)
+		pdfmeta.catalog.Outlines = outline_ref(o)
+	end
 end
-- 
2.39.5