Issue #1734234: Massively speedup `unicodedata.normalize()` when the
string is already in normalized form, by performing a quick check beforehand.
Original patch by Rauli Ruohonen.
diff --git a/Misc/ACKS b/Misc/ACKS
index 5c66a03..4b409e1 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -612,6 +612,7 @@
 Paul Rubin
 Sam Ruby
 Audun S. Runde
+Rauli Ruohonen
 Jeff Rush
 Sam Rushing
 Mark Russell