From e0a48f518312d82202d707260de8d7917c0c20c2 Mon Sep 17 00:00:00 2001
From: Peter Teuben <teuben@gmail.com>
Date: Wed, 20 Jul 2016 20:19:33 -0400
Subject: [PATCH] explanation

---
 yt-demo/README | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 yt-demo/README

diff --git a/yt-demo/README b/yt-demo/README
new file mode 100644
index 0000000..f62c109
--- /dev/null
+++ b/yt-demo/README
@@ -0,0 +1,4 @@
+
+taken from:    http://yt-project.org/pitp2016_demo/examples/
+and data from: http://yt-project.org/pitp2016_demo/data/
+