From: Martin Mares <mj@ucw.cz>
Date: Sun, 19 Jan 2025 19:53:39 +0000 (+0100)
Subject: ucw-pdfmeta: Do not emit /Outline if there are no outline items
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=HEAD;p=ucwmac.git

ucw-pdfmeta: Do not emit /Outline if there are no outline items
---

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