8.37.1 Top new questions this week

8.37.1.1 PGF/TiKZ: When should I choose "--", "to" or "edge" to connect nodes?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=646403

Is there a summary of the differences of "--", "to", and "edge" and what is the best current practice to choose one these path commands to connect nodes? 
[tikz-pgf]
 

asked by apriori https://tex.stackexchange.com/landing/r/digest?cta=user&id=85123 Score of 28

answered by Rmano https://tex.stackexchange.com/landing/r/digest?cta=user&id=38080 Score of 36

8.37.1.2 Is there microtype support for plain TeX?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=646769

Is there code to make the microtypography primitives, particularly font expansion, usable with the plain TeX format running with native PDF-output engines (namely pdfTeX and LuaTeX)? 
I don't think the ... 
[plain-tex] [microtype] [font-expansion]
 

asked by Karl Berry https://tex.stackexchange.com/landing/r/digest?cta=user&id=63279 Score of 13

answered by Robert https://tex.stackexchange.com/landing/r/digest?cta=user&id=7674 Score of 14

8.37.1.3 Size of integral symbol in section header with mlmodern

https://tex.stackexchange.com/landing/r/digest?cta=question&id=646333

I really like the font \usepackage{mlmodern} and want to keep using it. Only when using \int in a section header, the integral sign for some reason shrinks in size relative to the rest of the ... 
[fonts] [section-titles] [mlmodern]
                                                                                  

                                                                                  
 

asked by Nasser https://tex.stackexchange.com/landing/r/digest?cta=user&id=14594 Score of 11

answered by Miriam Briskman https://tex.stackexchange.com/landing/r/digest?cta=user&id=256551 Score of 6

8.37.1.4 What happens when a package patches another, and then the original one is reloaded?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=646810

I'm in the process of cleaning up my class file and I'm unclear as for the proper order of some lines. For example (replacing \RequirePackage with \usepackage and putting this in a MWE): 
\... 
[packages] [documentclass-writing]
 

asked by Miyase https://tex.stackexchange.com/landing/r/digest?cta=user&id=267211 Score of 7

answered by Phelype Oleinik https://tex.stackexchange.com/landing/r/digest?cta=user&id=134574 Score of 10

8.37.1.5 Equation alignment with varying number of columns

https://tex.stackexchange.com/landing/r/digest?cta=question&id=646701

How do I align an optimization statement where the number of columns varies in each row? I'm trying to align the summation symbols, equation signs within the "subject to" section, and any &... 
[equations] [align] [amsmath] [alignat]
 

asked by DivideByZero https://tex.stackexchange.com/landing/r/digest?cta=user&id=117288 Score of 7

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 7

8.37.1.6 Package conflict: luapstricks and animate

https://tex.stackexchange.com/landing/r/digest?cta=question&id=646555

Consider the following non-MWE: 
\documentclass[ 
a4paper, 
12pt 
]{article} 
\usepackage[ 
hmargin = 2cm, 
vmargin = 3cm 
]{geometry} 
\usepackage{pst-eucl} 
\usepackage{animate} 
\usepackage{siunitx} 
\... 
[luatex] [pstricks] [animate]
 

asked by Svend TveskA~\246g https://tex.stackexchange.com/landing/r/digest?cta=user&id=15874 Score of 5

answered by user187802 https://tex.stackexchange.com/landing/r/digest?cta=user&id=187802 Score of 4

8.37.1.7 Making an Image into a Lettrine

https://tex.stackexchange.com/landing/r/digest?cta=question&id=646538

In the MWE 
\documentclass{book} 
\usepackage{lettrine} 
\usepackage{graphicx,lipsum} 
\setlength{\textwidth}{12cm} 
%\renewcommand{\LettrineTextFont}{\normalfont} 
\begin{document} 
\thispagestyle{empty} 
\... 
[color] [small-caps] [lettrine] [shapes] [drop-cap]
 

asked by jean-marie https://tex.stackexchange.com/landing/r/digest?cta=user&id=266798 Score of 5