12.18.3 Can you answer these questions?

12.18.3.1 How do directional lights work in asymptote?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760935

I am trying to draw three intersecting planes in 3D, and I am struggling to get the light right. For some reason the default light settings (White, Headlamp, etc) all render at least one of the planes ... 
[asymptote] [asy]
 

asked by mlem https://tex.stackexchange.com/landing/r/digest?cta=user&id=436904 Score of 1

12.18.3.2 ConTeXt: Control spacing around multiple footnote apparatuses

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760857

My goal is to typeset a document in ConTeXt with grid/line-matching, and with two "serried" footnote apparatuses at the bottom. The top footnote apparatus I name as "marginal" with ... 
[footnotes] [context] [serried]
 

asked by Jeff Dodson https://tex.stackexchange.com/landing/r/digest?cta=user&id=260735 Score of 1

12.18.3.3 indentation in gb4e examples in footnotes

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760694

The following code puts a numbered example in a footnote. One footnote is in an itemize environment, the other outside. The indentation should be the one that is seen outside the itemize environment. ... 
[gb4e] [langsci-gb4e]
 

asked by Stefan MA~\274ller https://tex.stackexchange.com/landing/r/digest?cta=user&id=18561 Score of 1

answered by user187802 https://tex.stackexchange.com/landing/r/digest?cta=user&id=187802 Score of 0