From 4458ece4d7661ff3c76aea044779b7d235774cbb Mon Sep 17 00:00:00 2001
From: Fred Drake <fdrake@acm.org>
Date: Tue, 3 Feb 2004 19:44:26 +0000
Subject: Clarify minor point about the ref() and proxy() constructors. This
 matches what is already documented for corresponding feature of the C API.

---
 Doc/lib/libweakref.tex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Doc/lib/libweakref.tex b/Doc/lib/libweakref.tex
index 12a1220..fc88916 100644
--- a/Doc/lib/libweakref.tex
+++ b/Doc/lib/libweakref.tex
@@ -58,7 +58,8 @@ be made to support weak references; see section \ref{weakref-extension},
   retrieved by calling the reference object if the referent is still
   alive; if the referent is no longer alive, calling the reference
   object will cause \code{None} to be returned.  If \var{callback} is
-  provided, it will be called when the object is about to be
+  provided and not \constant{None},
+  it will be called when the object is about to be
   finalized; the weak reference object will be passed as the only
   parameter to the callback; the referent will no longer be available.
 
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