From 4962a780f1f030ca84451a59edf87cff436e9aea Mon Sep 17 00:00:00 2001
From: Jakub Kucharski <jakubkucharski97@gmail.com>
Date: Fri, 17 Jun 2016 13:41:39 +0200
Subject: [PATCH] Fix PDFDoc::saveIncrementalUpdate()'s detection of document
 being modified

Bug 96561
---
 poppler/PDFDoc.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index c91d6e4..e912d85 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -1021,7 +1021,9 @@ void PDFDoc::saveIncrementalUpdate (OutStream* outStr)
     }
   }
   xref->unlock();
-  if (uxref->getNumObjects() == 0) { //we have nothing to update
+  // because of "uxref->add(0, 65535, 0, gFalse);" uxref->getNumObjects() will
+  // always be >= 1; if it is 1, it means there is nothing to update
+  if (uxref->getNumObjects() == 1) {
     delete uxref;
     return;
   }
-- 
2.9.0