Issue #6561: '\d' regular expression should not match characters of
category [No]; only those of category [Nd].  (Backport of r74237
from py3k.)
diff --git a/Misc/NEWS b/Misc/NEWS
index 25bbabb..6731fb9 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1205,6 +1205,10 @@
 Extension Modules
 -----------------
 
+- Issue #6561: '\d' in a regex now matches only characters with
+  Unicode category 'Nd' (Number, Decimal Digit).  Previously it also
+  matched characters with category 'No'.
+
 - Issue #1523: Remove deprecated overflow wrapping for struct.pack
   with an integer format code ('bBhHiIlLqQ').  Packing an out-of-range
   integer now consistently raises struct.error.