<command arg="-root"/>
- <video href="http://www.youtube.com/watch?v=SuMIatcSPdU"/>
+ <video href="https://www.youtube.com/watch?v=SuMIatcSPdU"/>
<hgroup>
<vgroup>
<_description>
A school of fish, using the classic "Boids" algorithm by Craig Reynolds.
-http://en.wikipedia.org/wiki/Boids
+https://en.wikipedia.org/wiki/Boids
Written by David C. Lambert and Jamie Zawinski; 2006.
</_description>