10.58.3 Can you answer these questions?

10.58.3.1 Unable to activate Sanskrit hyphenation using polyglossia
10.58.3.2 How to load babel languages conditionally?
10.58.3.3 Multiple labels within left/right scaling?
10.58.3.1 Unable to activate Sanskrit hyphenation using polyglossia

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725526

test code: 
\documentclass[12pt]{memoir} 
\usepackage[ 
a5paper, 
margin=1.5cm 
]{geometry} 
\usepackage{fontspec} 
\defaultfontfeatures{Mapping=tex-text} 
\setmainfont[]{Brill} 
\newfontfamily{\latinfont}{... 
[polyglossia] [indic] [devanagari]
 
asked by Ramaprakasha https://tex.stackexchange.com/landing/r/digest?cta=user&id=22840 Score of 1
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 0
10.58.3.2 How to load babel languages conditionally?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725691

I am writing a class in which I grab language-name as a value to a particular key. After that, my plan is to pass it conditionally to babel's language loading mechanism. If I understand the mechanism ... 
[babel] [package-options]
 
asked by Niranjan https://tex.stackexchange.com/landing/r/digest?cta=user&id=174620 Score of 1
10.58.3.3 Multiple labels within left/right scaling?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725392

\[ 
\begin{subequations} 
\left. 
\begin{align} 
\frac{d}{dt}\omega_{1} & = \frac{I_{2} - I_{3}}{I_1} \omega_{2}\omega_{3} 
\label{eq:1a}\\ 
\frac{d}{dt}\omega_{2} & = \frac{I_{1} - I_{3}}{I_2} \... 
[cross-referencing] [align]
 
asked by Nicholas Milewski https://tex.stackexchange.com/landing/r/digest?cta=user&id=336980 Score of 1
answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 0