11.73.1 Top new questions this week

11.73.1.1 With the Roboto Flex font, siunitx \micro not displayed with an upright mu
11.73.1.2 Number sign/hash (#) not allowed in environment defined with listings
11.73.1.3 Error with `\DocumentMetadata` and nicematrix
11.73.1.4 I want a command which can take two arbitrary ellipses, and shade the region between them, bounded by their mutual tangents
11.73.1.5 List of symbols with page number by symbol location
11.73.1.6 Why does \AtBeginDocument have a different effect from within a class file than from without?
11.73.1.7 How can I prevent blank pages from being shipped out?
11.73.1.1 With the Roboto Flex font, siunitx \micro not displayed with an upright mu

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754237

The following MCE displays \unit{\micro\gram} as expected, that is with the (upright mu) Micro Sign character: 
\documentclass{article} 
\usepackage{fontspec} 
\usepackage{siunitx} 
\setmainfont{TeX Gyre ... 
[fonts] [fontspec] [siunitx] [unicode]
 
asked by Denis BitouzA~(c) https://tex.stackexchange.com/landing/r/digest?cta=user&id=18401 Score of 7
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 4
11.73.1.2 Number sign/hash (#) not allowed in environment defined with listings

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754347

The number sign ("#") raises an error in an environment defined with \lstnewenvironment of listings package. This is possibly related to the recent changes in LaTeX2e kernel ( 2025-11-01) ... 
[listings]
 
asked by Zeping Lee https://tex.stackexchange.com/landing/r/digest?cta=user&id=82731 Score of 6
answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 Score of 7
11.73.1.3 Error with `\DocumentMetadata` and nicematrix

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754125

TexLive 2025, up to date 
MWE: 
\DocumentMetadata{pdfstandard=A-2b, lang=de-DE, pdfversion=1.7} 
\documentclass{article} 
\usepackage{nicematrix, array} 
\begin{document} 
\begin{NiceTabular}{p{4em}p{... 
[nicematrix] [tagged-pdf]
 
asked by Keks Dose https://tex.stackexchange.com/landing/r/digest?cta=user&id=4736 Score of 6
answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 Score of 7
11.73.1.4 I want a command which can take two arbitrary ellipses, and shade the region between them, bounded by their mutual tangents

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754333

I want a command which can take two arbitrary ellipses, and shade the region between them, bounded by their mutual tangents. 
\documentclass[tikz,border=1cm]{standalone} 
\begin{document} 
\begin{... 
[tikz-pgf]
 
asked by Jasper https://tex.stackexchange.com/landing/r/digest?cta=user&id=319072 Score of 5
answered by nidarfp https://tex.stackexchange.com/landing/r/digest?cta=user&id=406312 Score of 5
11.73.1.5 List of symbols with page number by symbol location

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754308

List of symbols with page numbers based on symbol position 
I'm using the code below to create a list of symbols consisting of the symbol, description, and page number. The problem is that the page ... 
[table-of-contents] [symbols] [nomenclature]
 
asked by Emad kareem https://tex.stackexchange.com/landing/r/digest?cta=user&id=121554 Score of 5
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 4
11.73.1.6 Why does \AtBeginDocument have a different effect from within a class file than from without?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754199

Consider the following MWE, where I use a custom class test which loads the libertinus fonts and sets up selecting StylisticSet=2 in order to obtain a more harmonious italic J, as proposed in this ... 
[document-classes] [hooks] [font-features]
 
asked by schtandard https://tex.stackexchange.com/landing/r/digest?cta=user&id=48973 Score of 5
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 6
11.73.1.7 How can I prevent blank pages from being shipped out?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754377

I have a document containing some blank pages (mostly due to chapters starting on odd pages). I want to also create a version where these blank pages are missing in the PDF, with everything else being ... 
[blank-page] [shipout]
 
asked by schtandard https://tex.stackexchange.com/landing/r/digest?cta=user&id=48973 Score of 4
answered by cabohah https://tex.stackexchange.com/landing/r/digest?cta=user&id=277964 Score of 1