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-rw-r--r--pod/perldelta.pod4
1 files changed, 3 insertions, 1 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index 46f5e57092..1ea6c597ec 100644
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -387,7 +387,9 @@ files in F<ext/> and F<lib/> are best summarized in L</Modules and Pragmata>.
=item *
-XXX
+The in-place reverse optimisation now correctly strengthens weak
+references using the L<C<sv_rvunweaken()>|perlapi/sv_rvunweaken>
+API function.
=back