Data Attributes

[source,kotlin,data-lang-family=compiled]
----
println("Hello world")
----

[%interactive,data-state=in-progress]
- [ ] Dig
- [x] Plant
- [ ] Hose

[data-context=civil-rights,data-event=speech,data-date=28/08/1963]
> I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character. I have a dream today!
> -- Martin Luther King Jr. delivering the speech at the 1963 Washington D.C. Civil Rights March.

[stem,data-algebra-concept=square-root]
++++
\sqrt{37} = \sqrt{\frac{73^2-1}{12^2}} \approx \frac{73}{12} (1 - \frac{1}{2\cdot73^2})
++++

audio::flock-of-seagulls.mp3[data-license="cc-3.0"]

video::kZH9JtPBq7k[youtube,start=34,data-video-id=kZH9JtPBq7k]