3.40.1 Top new questions this week

3.40.1.1 Why are there so many underscores in LaTeX3 commands?

https://tex.stackexchange.com/questions/400076/why-are-there-so-many-underscores-in-latex3-commands

This question springs from a comment of mine and the subsequent discussion in chat. 
I don't know anything about TeX, but I can easily understand a command like: 
\let\oldmacro\somemacro 
whereas 
...
 

- asked by CarLaTeX (31 votes), answered by egreg (32 votes)

3.40.1.2 beautiful list from indesign

https://tex.stackexchange.com/questions/399476/beautiful-list-from-indesign

How can i create this list in Latex 
Here's my MW 
\documentclass{book} 
\usepackage{enumitem} 
\begin{document} 
\begin{enumerate}[label=Group \arabic*.] 
\item 
\begin{enumerate}[label=\alph*)] 
\item  ...
 

- asked by Educ (11 votes), answered by Andrew (12 votes)

3.40.1.3 Macro with more than 9 arguments

https://tex.stackexchange.com/questions/399810/macro-with-more-than-9-arguments

Consider the following example: 
\documentclass{article} 
\usepackage[ 
a4paper, 
hmargin = 2.4cm, 
vmargin = 3cm 
]{geometry} 
\usepackage{xskak} 
\newcommand*\hestA[2][\svarstedA]{% 
...
 

- asked by Svend TveskA~\246g (9 votes), answered by egreg (6 votes)

3.40.1.4 How to end paragraph text in an inverted pyramid shape?

https://tex.stackexchange.com/questions/400285/how-to-end-paragraph-text-in-an-inverted-pyramid-shape

In many old books, the final paragraphs of chapters end in an inverted pyramid shape, like this: 
I think this is beautiful, so I would like to imitate this for my book. I've found the code for a  ...
 

- asked by L.A. Rabida (9 votes), answered by Ignasi (11 votes)

3.40.1.5 fancyhdr: How to start header at the very left margin of paper

https://tex.stackexchange.com/questions/400139/fancyhdr-how-to-start-header-at-the-very-left-margin-of-paper

I am trying to produce a document with a header that consists of a rectangle rounded on one side that begins at the very left of the paper width. 
I fail at letting the rectangle begin outside of the  ...
 

- asked by Heine (9 votes), answered by egreg (8 votes)

3.40.1.6 pgfplotstable - Is there a way to use \textwidth and centering for text?

https://tex.stackexchange.com/questions/399996/pgfplotstable-is-there-a-way-to-use-textwidth-and-centering-for-text

I am using pgfplotsable and I can't seem to figure out an easy way to both a) set a specific with for my columns and b) center the text within the columns.  No matter what I try, one seems to override  ...
 

- asked by G. Khanna (8 votes), answered by Zarko (9 votes)

3.40.1.7 How can I update to Biber 2.8?

https://tex.stackexchange.com/questions/399831/how-can-i-update-to-biber-2-8

Today I just ran TeX Live Utility (on a Mac computer), and one of the updated packages was biblatex. Now when I tried to run biber, I got this error: 
INFO - This is Biber 2.7 
INFO - Logfile is  ...
 

- asked by Alex Roberts (7 votes), answered by lAtExFaN (2 votes)