7.3.1 Top new questions this week

7.3.1.1 Display problems with a tikz-cd diagram
7.3.1.2 Draw horizontal line vertically centralized
7.3.1.3 New command only for math mode: problem with \S
7.3.1.4 How do I properly tell Microtype that `newcomputermodern` is the same as `computer modern`?
7.3.1.5 How to increase spacing of uppercase subscript
7.3.1.6 How to define a boxed environment using tcolorbox like the following picture?
7.3.1.7 Problem when using the specifier `b` of `xparse` with tabulars
7.3.1.1 Display problems with a tikz-cd diagram

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578210

I use tikz-cd package to construct a math diagram. Here is the code: 
\documentclass[12pt, a4 paper]{article} 
\usepackage[utf8]{inputenc} 
\usepackage{tikz-cd} 
\usepackage{amsmath} 
\usepackage{mathdots}... 
[math-mode] [tikz-cd]
 
asked by cos_dm_math21 https://tex.stackexchange.com/landing/r/digest?cta=user&id=232626 12 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 13 votes
7.3.1.2 Draw horizontal line vertically centralized

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578153

Ok, the title might be confusing. But the idea is pretty simple: I have this text that I would like to add a line on its side, but the line should be centralized vertically into the line, like so: 
... 
[pdftex]
 
asked by Luiz Pedro Franciscatto Guerra https://tex.stackexchange.com/landing/r/digest?cta=user&id=232588 10 votes
answered by Bernard https://tex.stackexchange.com/landing/r/digest?cta=user&id=38908 12 votes
7.3.1.3 New command only for math mode: problem with \S

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578008

I use boldface math a lot, so to avoid typing \mathbf every time, I define macros like the following: 
\newcommand{\x}{{\mathbf{x}}} 
The issue is that macros such as \a, \c, \o exist already. Instead ... 
[math-mode]
 
asked by Khue https://tex.stackexchange.com/landing/r/digest?cta=user&id=24048 9 votes
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 6 votes
7.3.1.4 How do I properly tell Microtype that `newcomputermodern` is the same as `computer modern`?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578121

I noticed this error message from microtype in my log file: 
Package microtype Info: Loading generic protrusion settings for font family 
(microtype)             `NewCM10-Book.otf' (encoding: TU). 
(... 
[microtype] [newcomputermodern]
 
asked by Canageek https://tex.stackexchange.com/landing/r/digest?cta=user&id=7880 9 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 10 votes
7.3.1.5 How to increase spacing of uppercase subscript

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578467

In one equation, I am changing my notation from the one on the left to the one on the right, which uses a right subscript. Especially compared to the initial version, the spacing for the subscript ... 
[subscripts] [superscripts]
 
asked by user284958 https://tex.stackexchange.com/landing/r/digest?cta=user&id=232761 8 votes
answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 5 votes
7.3.1.6 How to define a boxed environment using tcolorbox like the following picture?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578686

I tried the following code, but the quotation marks at the top left is not at the right place. 
\documentclass{article} 
\usepackage[many]{tcolorbox} 
\newtcolorbox{note}[1][\linewidth]{ 
enhanced, 
... 
[tcolorbox]
 
asked by Misaya https://tex.stackexchange.com/landing/r/digest?cta=user&id=204155 7 votes
answered by Fran https://tex.stackexchange.com/landing/r/digest?cta=user&id=11604 11 votes
7.3.1.7 Problem when using the specifier `b` of `xparse` with tabulars

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578546

Edit: Phelype Oleinik has opened an issue in the bug tracker of LaTeX3 for that issue:https://github.com/latex3/latex3/issues/839 
The following code provides an error. 
\documentclass{article} 
\... 
[expl3] [arrays] [xparse]
 
asked by F. Pantigny https://tex.stackexchange.com/landing/r/digest?cta=user&id=163000 7 votes
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 3 votes