10.82.3 Can you answer these questions?

10.82.3.1 LuaTeX dvi output missing non-Unicode ligature

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733095

If I process the following LaTeX document, "bug.tex" ... 
\documentclass{standalone} 
\usepackage{fontspec} 
\setmainfont{Lato Light} 
\begin{document} 
Setting 
\end{document} 
... to dvi with ...... 
[luatex] [unicode] [ligatures] [dvi]
 

asked by Paul Murrell https://tex.stackexchange.com/landing/r/digest?cta=user&id=365105 Score of 1

10.82.3.2 Getting dark mode in local output using \time and darkmode

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733000

I would like to have my pdf outputs be automatically in darkmode if compiled at night according to my local time (I of course won't use it when I prepare this draft for publication). I see that I may ... 
[packages] [conditionals] [datetime2]
 

asked by Gravifer https://tex.stackexchange.com/landing/r/digest?cta=user&id=217205 Score of 1

10.82.3.3 Addition First Big Letter in Gregorian Chant musixgre library

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733025

It is needed to add a First Big Letter in Gregorian Chant musixgre library. I am trying to use lettrine package with parindent command. The basic code is as follow: 
\documentclass[% 
latin,spanish, 
... 
[lettrine] [musixtex]
 

asked by ABV https://tex.stackexchange.com/landing/r/digest?cta=user&id=285170 Score of 1

answered by C. Peters https://tex.stackexchange.com/landing/r/digest?cta=user&id=239495 Score of 0