From 5b6cf45f8365562d805547b6ca774f2ba2a0c90f Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Tue, 21 Dec 2021 17:26:05 -0500
Subject: Cleanup TODO

---
 README-maintainer | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'README-maintainer')

diff --git a/README-maintainer b/README-maintainer
index 3ca9caf7..aaa0a61c 100644
--- a/README-maintainer
+++ b/README-maintainer
@@ -110,7 +110,16 @@ CODING RULES
   the shared library boundary.
 
 * Put private member variables in PointerHolder<Members> for all
-  public classes. Remember to use QPDF_DLL on ~Members().
+  public classes. Remember to use QPDF_DLL on ~Members(). Exception:
+  indirection through PointerHolder<Members> is expensive, so don't do
+  it for classes that are copied a lot, like QPDFObjectHandle and
+  QPDFObject.
+
+* Traversal of objects is expensive. It's worth adding some complexity
+  to avoid needless traversals of objects.
+
+* Avoid attaching too much metadata to objects and object handles
+  since those have to get copied around a lot.
 
 
 RELEASE PREPARATION
-- 
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