Easier reference to find (at least while svn continues being used).
diff --git a/Lib/idlelib/rpc.py b/Lib/idlelib/rpc.py
index 5adf32b..d492984 100644
--- a/Lib/idlelib/rpc.py
+++ b/Lib/idlelib/rpc.py
@@ -597,4 +597,4 @@
 
 
 # XXX KBK 09Sep03  We need a proper unit test for this module.  Previously
-#                  existing test code was removed at Rev 1.27.
+#                  existing test code was removed at Rev 1.27 (r34098).