Issue 5150: Add rstrip() menu option to IDLE.
diff --git a/Misc/ACKS b/Misc/ACKS
index e6b9469..4813083 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -658,6 +658,7 @@
 Žiga Seilnach
 Fred Sells
 Jiwon Seo
+Roger D, Serwy
 Jerry Seutter
 Denis Severson
 Ian Seyer