Issue #22116: C functions and methods (of the 'builtin_function_or_method' type) can now be weakref'ed.  Patch by Wei Wu.
diff --git a/Misc/ACKS b/Misc/ACKS
index 09b68d1..60d6f7f 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1484,6 +1484,7 @@
 Darren Worrall
 Thomas Wouters
 Daniel Wozniak
+Wei Wu
 Heiko Wundram
 Doug Wyatt
 Robert Xiao