video with thumbnail test3

Author: ayatakesi

docs/tips/TheEmacsWindowManagementAlmanac.md

@@ -456,7 +456,14 @@ ace-windowの使用時に`?`を押下すると、ディスパッチメニュー
 ![ace-dispatch-demo.mp4](https://karthinks.com/img/ace-dispatch-demo.mp4)
 -->
 
-https://karthinks.com/img/ace-dispatch-demo.mp4
+[![https://i.imgur.com/7OFRShA.mp4][https://karthinks.com/img/ace-dispatch-demo.mp4]]
+
+<!--
+<video preload="metadata" style="center" width="700" controls>
+<source src="https://i.imgur.com/7OFRShA.mp4" type="video/mp4">
+<a href="/img/ace-dispatch-demo.mp4">[VIDEO: ace-window dispatch demo]</a>
+</video>https://karthinks.com/img/ace-dispatch-demo.mp4
+-->
 
 <details>
 <summary>