<command arg="-root"/>
- <video href="http://www.youtube.com/watch?v=eWrRhSYzimY"/>
+ <video href="https://www.youtube.com/watch?v=eWrRhSYzimY"/>
<number id="points" type="slider" arg="-points %"
_label="Particles" _low-label="Few" _high-label="Many"