From 9b28933647f0a3ed535dd488c4526b75d1c10fc6 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Thu, 4 Nov 2021 11:55:36 -0400
Subject: Check object ownership when adding

When adding a QPDFObjectHandle to an array or dictionary, if possible,
check if the new object belongs to the same QPDF. This makes it much
easier to find incorrect code than waiting for the situation to be
detected when the file is written.
---
 manual/qpdf-manual.xml | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'manual/qpdf-manual.xml')

diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
index 7cd22459..026d6039 100644
--- a/manual/qpdf-manual.xml
+++ b/manual/qpdf-manual.xml
@@ -5104,6 +5104,16 @@ print "\n";
           receive warnings on certain recoverable conditions.
          </para>
         </listitem>
+        <listitem>
+         <para>
+          Add an extra check to the library to detect when foreign
+          objects are inserted directly (instead of using
+          <function>QPDF::copyForeignObject</function>) at the time of
+          insertion rather than when the file is written. Catching the
+          error sooner makes it much easier to locate the incorrect
+          code.
+         </para>
+        </listitem>
        </itemizedlist>
       </listitem>
       <listitem>
-- 
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