9.56.3 Can you answer these questions?

9.56.3.1 What is the "Butterick's Practical typography" equivalent for LaTeX?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=694174

As in, is there a manual for how to get good typography using the LaTeX typesetting system that is similar to Matthew Butterick's web-based book? MB's Practical Typography only shows examples for web, ... 
[luatex] [typography] [text]
 

asked by Adrik Ivanov https://tex.stackexchange.com/landing/r/digest?cta=user&id=257308 Score of 1

9.56.3.2 \label   adds empty line

https://tex.stackexchange.com/landing/r/digest?cta=question&id=693965

When I use the command \label{} before a section, it creates a blank line. How can I remove that empty line? 
MWE: 
\documentclass{article} 
\usepackage{amsmath} 
\begin{document} 
\section{Test 1} 
... 
[labels] [empty-line]
 

asked by Bahman Mirzakhani https://tex.stackexchange.com/landing/r/digest?cta=user&id=194183 Score of 1

9.56.3.3 How to access kernel documentation with texdoc?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=694140

Sorry if that is dumb, but fumbling with \ProcessKeysOptions and \ProcessKeyOptions, I read in the documentation of the former that it was obsoleted by the latter, which is integrated into the LaTeX ... 
[texdoc]
 

asked by ysalmon https://tex.stackexchange.com/landing/r/digest?cta=user&id=103608 Score of 2