perldelta for undef(&foo) and call checkers

diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index cbc6313..be42f56 100644 (file)
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -398,6 +398,10 @@ having no prototype when they actually have "".
 Constant subroutines and forward declarations no longer prevent prototype
 mismatch warnings from omitting the sub name.
 
+=item *
+
+C<undef> on a subroutine now clears call checkers.
+
 =back
 
 =head1 Known Problems