<command arg="-root"/>
- <video href="http://www.youtube.com/watch?v=5MrEaXnhEPg"/>
+ <video href="https://www.youtube.com/watch?v=5MrEaXnhEPg"/>
<number id="delay" type="slider" arg="-delay %"
_label="Frame rate" _low-label="Low" _high-label="High"
<_description>
The Lyapunov exponent makes pretty fractal pictures.
-http://en.wikipedia.org/wiki/Lyapunov_exponent
+https://en.wikipedia.org/wiki/Lyapunov_exponent
Written by Ron Record; 1997.
</_description>