<command arg="-root"/>
- <video href="http://www.youtube.com/watch?v=2jPmisDwwi0"/>
+ <video href="https://www.youtube.com/watch?v=2jPmisDwwi0"/>
<hgroup>
<vgroup>
In clock mode, the score keeps track of the current time.
-http://en.wikipedia.org/wiki/Pong
+https://en.wikipedia.org/wiki/Pong
Written by Jeremy English, Trevor Blackwell and Jamie Zawinski; 2003.
</_description>