2 files changed, 4 insertions, 0 deletions
diff --git a/Misc/ACKS b/Misc/ACKS
index af9aa06..c947a45 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -70,6 +70,7 @@ Anton Barkovsky
 Nick Barnes
 Quentin Barnes
 David Barnett
+Matthew Barnett
 Richard Barran
 Cesar Eduardo Barros
 Des Barry
diff --git a/Misc/NEWS b/Misc/NEWS
index 2a22bb5..c2bfa00 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -124,6 +124,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #16688: Fix backreferences did make case-insensitive regex fail on
+  non-ASCII strings. Patch by Matthew Barnett.
+
 - Issue #16485: Fix file descriptor not being closed if file header patching
   fails on closing of aifc file.