10.57.1 Top new questions this week

10.57.1.1 using a tikz foreach loop inside a newcommand
10.57.1.2 How do I input box-drawing characters?
10.57.1.3 MetaPost: Get text width in a narrower environment
10.57.1.4 How to apply refactoring on Latex code?
10.57.1.5 How does \vdotswithin work?
10.57.1.6 Exact time point of assignment
10.57.1.7 \tl_gset_rescan with \c_str_cctab inserts unwanted tokens into resulting token list
10.57.1.1 using a tikz foreach loop inside a newcommand

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725131

I want to make a newcommand which uses a foreach loop in tikz to draw lines, whose points are parameterized in the newcommand. I am running into two problems: 
If no unit is specified when calling my ... 
[tikz-pgf] [foreach]
 
asked by Jasper https://tex.stackexchange.com/landing/r/digest?cta=user&id=319072 Score of 11
answered by Skillmon https://tex.stackexchange.com/landing/r/digest?cta=user&id=117050 Score of 13
10.57.1.2 How do I input box-drawing characters?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725052

I'm writing something where I want to show lsblk output, such as 
NAME        MAJ:MIN RM  SIZE RO TYPE  MOUNTPOINTS 
sda           8:0    0  1.2T  0 disk 
a^\224\234a^\224\200sda1        8:1    0    5G  0 part 
a^\224\224a^\224\200sda2  ... 
[fonts] [unicode] [font-encodings]
 
asked by revsuine https://tex.stackexchange.com/landing/r/digest?cta=user&id=335819 Score of 9
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 9
10.57.1.3 MetaPost: Get text width in a narrower environment

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725342

Background 
Using MetaPost, I'd like to account for a \framed environment being nested inside of a \startnarrower environment. When outside the narrower environment, the MetaPost code renders as ... 
[indentation] [context] [framed] [metapost] [lmtx]
 
asked by Dave Jarvis https://tex.stackexchange.com/landing/r/digest?cta=user&id=2148 Score of 6
answered by Max Chernoff https://tex.stackexchange.com/landing/r/digest?cta=user&id=270600 Score of 3
10.57.1.4 How to apply refactoring on Latex code?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725089

How to apply refactoring on Latex code? 
Questions here on refactoring most frequently state, the OP did or wanted to do some refactoring on Latex code, but struggled with some technicality. Though the ... 
[best-practices] [refactoring]
 
asked by MS-SPO https://tex.stackexchange.com/landing/r/digest?cta=user&id=245790 Score of 6
answered by MS-SPO https://tex.stackexchange.com/landing/r/digest?cta=user&id=245790 Score of 8
10.57.1.5 How does \vdotswithin work?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725292

The following code produces aligned equations. 
\documentclass{article} 
\usepackage{amsmath, mathtools} 
\begin{document} 
\begin{alignat*}{3} 
a_{11}x_1&+a_{12}x_2&+\ldots&+a_{1n}x_n&&... 
[amsmath] [mathtools]
 
asked by Cm7F7Bb https://tex.stackexchange.com/landing/r/digest?cta=user&id=79569 Score of 5
answered by daleif https://tex.stackexchange.com/landing/r/digest?cta=user&id=3929 Score of 8
10.57.1.6 Exact time point of assignment

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725301

Consider this plain TeX code: 
\the\dimen0 
\dimen0=1pt\the\dimen0\the\dimen0 
\bye 
which produces 
0.0pt 
0.0pt.0pt 
Here is my analysis: the first line is obvious, and it shows that the original value ... 
[tex-core] [dimensions]
 
asked by Stephen https://tex.stackexchange.com/landing/r/digest?cta=user&id=241621 Score of 5
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 6
10.57.1.7 \tl_gset_rescan with \c_str_cctab inserts unwanted tokens into resulting token list

https://tex.stackexchange.com/landing/r/digest?cta=question&id=725244

For a package that is supposed to parse JSON, I need to read in an argument verbatim that may contain line breaks as string with some special attributes. After a recent update of my LaTeX installation,... 
[expl3] [strings] [token-lists]
 
asked by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 Score of 5
answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 Score of 5