From 947e070adb0f47a9297c18119edc221401abd1c7 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Mon, 12 Nov 2018 14:37:02 +0100
Subject: Fix 697913: Make sure PDF portfolios are saved as version >= 1.7.

---
 source/pdf/pdf-portfolio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/pdf/pdf-portfolio.c b/source/pdf/pdf-portfolio.c
index afc23c03..ca208734 100644
--- a/source/pdf/pdf-portfolio.c
+++ b/source/pdf/pdf-portfolio.c
@@ -627,6 +627,10 @@ int pdf_add_portfolio_entry(fz_context *ctx, pdf_document *doc,
 	if (doc->portfolio == NULL)
 		load_portfolio(ctx, doc);
 
+	/* Portfolios were introduced in PDF 1.7. */
+	if (doc->version < 17)
+		doc->version = 17;
+
 	key = pdf_new_string(ctx, name, name_len);
 	fz_try(ctx)
 	{
-- 
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