str.format_map tests don't do what they say: fix to actually implement the intent of the test. Closes #13450.
diff --git a/Misc/ACKS b/Misc/ACKS
index 0028877..e7bc2b6 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -552,6 +552,7 @@
 Christopher Tur Lesniewski-Laas
 Mark Levinson
 William Lewis
+Akira Li
 Xuanji Li
 Robert van Liere
 Ross Light