From f4bf5964f90a224a82040a7e4feb263819000d79 Mon Sep 17 00:00:00 2001
From: "Peter J. Keleher" <keleher@cs.umd.edu>
Date: Thu, 16 Sep 2021 19:01:51 -0400
Subject: [PATCH] auto

---
 03_demo.txt      | 6 ++++++
 exercises-9-9.md | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/03_demo.txt b/03_demo.txt
index b45f364..c19703a 100644
--- a/03_demo.txt
+++ b/03_demo.txt
@@ -1,3 +1,9 @@
+// Notes used by pete in class (not originally intended to be public,
+// but I was asked.....), some of these are examples of
+// correct usage, and some illustrate issues to be fixed in class. Some
+// lines are comments, some are notes to myself. They are not intended
+// to be correct "as is". Use them to explore on your own.
+
 ```go
 func changeB(a:String, b: inout String) {
    b = "\(a)\(b)"
diff --git a/exercises-9-9.md b/exercises-9-9.md
index 65a3865..b897efe 100644
--- a/exercises-9-9.md
+++ b/exercises-9-9.md
@@ -1,3 +1,9 @@
+// Notes used by pete in class (not originally intended to be public,
+// but I was asked.....), some of these are examples of
+// correct usage, and some illustrate issues to be fixed in class. Some
+// lines are comments, some are notes to myself. They are not intended
+// to be correct "as is". Use them to explore on your own.
+
 ```swift
 struct Stack<Element> {
       var items = [Element]()
-- 
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