6.5.1 Top new questions this week

6.5.1.1 Latex vs Groff for mathematics formatting

https://tex.stackexchange.com/landing/r/digest?cta=question&id=527864

I am a physics undergraduate and I often have to write Latex documents. However, I recently heard of Groff which, from what I have gathered, is much lighter and more minimal than Latex. Is it any good  ... 
[math-mode]
 

asked by fresh https://tex.stackexchange.com/landing/r/digest?cta=user&id=206669 14 votes

answered by Henri Menke https://tex.stackexchange.com/landing/r/digest?cta=user&id=10995 31 votes

6.5.1.2 Examples of tricky case-changing

https://tex.stackexchange.com/landing/r/digest?cta=question&id=528125

The LaTeX team are looking to improve the implemenation of case-changing in LaTeX (\MakeUppercase and \MakeLowercase, plus potentially integrating the textcase package). To help with that, I'd like to  ... 
[textcase]
 

asked by Joseph Wright https://tex.stackexchange.com/landing/r/digest?cta=user&id=73 11 votes

answered by Ian Thompson https://tex.stackexchange.com/landing/r/digest?cta=user&id=2417 3 votes

6.5.1.3 Flexure of a Grid

https://tex.stackexchange.com/landing/r/digest?cta=question&id=528089

Hi I want to recreate the following picture but with a grid: 
To something like this: 
However, I'm finding the use of 
\pgfsetcurvilinearbeziercurve{} 
and even attempts with 
... 
[tikz-pgf] [pstricks] [asymptote] [metapost]
 

asked by rypy91 https://tex.stackexchange.com/landing/r/digest?cta=user&id=206786 9 votes

answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 9 votes

6.5.1.4 Missing Qu-ligature with Libertinus + LuaLaTeX, but OK for Libertinus + XeLaTeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=528002

Compile this MWE with LuaLaTeX and with XeLaTex 
\documentclass{article} 
\usepackage[defaultfeatures={Kerning=On,Ligatures={TeX,Common,Rare}}]{libertinus} 
\begin{document} 
... 
[luatex] [ligatures] [libertinus]
 

asked by nagmat84 https://tex.stackexchange.com/landing/r/digest?cta=user&id=47156 9 votes

answered by Marcel KrA~\274ger https://tex.stackexchange.com/landing/r/digest?cta=user&id=80496 10 votes

6.5.1.5 Symbol $\perp$ with a shorter horizontal line to be used as a superscript

https://tex.stackexchange.com/landing/r/digest?cta=question&id=527795

i was wondering whether there exists a predefined Latex symbol or command for $\perp$ with a shorter horizontal line as shown in the image below that is taken from an old research article. In fact, i  ... 
[math-mode] [symbols] [typography] [superscripts]
 

asked by Daddy https://tex.stackexchange.com/landing/r/digest?cta=user&id=46518 8 votes

answered by Ian Thompson https://tex.stackexchange.com/landing/r/digest?cta=user&id=2417 8 votes

6.5.1.6 Different behavior inside self-contained macro

https://tex.stackexchange.com/landing/r/digest?cta=question&id=527307

I'm trying to create a macro and if it contains itself, it should behave differently. If I write command like this: 
\uw{aaa \uw{bbb} } 
I want the result to look like this: 
I got up to this  ... 
[macros]
 

asked by delhan https://tex.stackexchange.com/landing/r/digest?cta=user&id=206380 8 votes

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 7 votes

6.5.1.7 How to pass multiple random numbers (generated using lcg package) to a macro?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=527553

Inspired from this answer I would like to generate a multi-digit addend using some random numbers. 
I can generate the random numbers, but I'm unable to use them properly (Tex capacity exceeded). Here  ... 
[macros] [random-numbers]
 

asked by lAtExFaN https://tex.stackexchange.com/landing/r/digest?cta=user&id=112503 7 votes

answered by frougon https://tex.stackexchange.com/landing/r/digest?cta=user&id=73317 8 votes