11.28.1 Top new questions this week

11.28.1.1 Fill a space made by three arcs

https://tex.stackexchange.com/landing/r/digest?cta=question&id=741663

I'd like to color this figure and even after a few hours trying to understand some similar posts I'm stuck... 
\documentclass[border=10pt]{standalone} 
\usepackage{tkz-euclide} 
\begin{document} 
\... 
[tikz-pgf] [tkz-euclide]
 

asked by Kawahiem https://tex.stackexchange.com/landing/r/digest?cta=user&id=277899 Score of 13

answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 Score of 16

11.28.1.2 l3draw diagram as a background

https://tex.stackexchange.com/landing/r/digest?cta=question&id=741367

Consider the MWE below: 
\documentclass{article} 
\usepackage[vmargin=3cm]{geometry} 
\usepackage{l3draw} 
\usepackage{lipsum} 
\ExplSyntaxOn 
% Define color for notepad rules 
\color_set:nnn {... 
[expl3] [backgrounds] [l3draw]
 

asked by azetina https://tex.stackexchange.com/landing/r/digest?cta=user&id=10898 Score of 9

answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 Score of 9

11.28.1.3 Siunitx formatting of dynamically loaded numbers

https://tex.stackexchange.com/landing/r/digest?cta=question&id=741683

I want siunitx's S column type to operate on dynamically-loaded data, i.e., data inserted into a cell via a \DTLfetch directive, where \DTLfetch is a macro provided by the datatool package. 
The ... 
[siunitx] [datatool]
 

asked by FooBar https://tex.stackexchange.com/landing/r/digest?cta=user&id=39314 Score of 6

answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 Score of 4

11.28.1.4 How to design a tcolorbox mimicking a paper remove spiral bound book

https://tex.stackexchange.com/landing/r/digest?cta=question&id=741553

My target is to have the image below: 
This MWE 
\documentclass{article} 
\usepackage[many]{tcolorbox} 
\usepackage{tikz} 
\usetikzlibrary{decorations.pathmorphing,shadows} 
\newtcolorbox{spiralnotebox}{ 
... 
[tcolorbox] [tikz-styles]
 

asked by Uncle C https://tex.stackexchange.com/landing/r/digest?cta=user&id=286105 Score of 6

answered by kabenyuk https://tex.stackexchange.com/landing/r/digest?cta=user&id=204924 Score of 10

11.28.1.5 Problem with detecting font features and babel

https://tex.stackexchange.com/landing/r/digest?cta=question&id=741444

I'm trying to detect the presence of certain font Open Type font features with fontspec but it fails as soon as a main language is specified with babel. 
I have two questions: 
Am I missing something? 
... 
[fontspec] [babel]
 

asked by David Purton https://tex.stackexchange.com/landing/r/digest?cta=user&id=87678 Score of 6

answered by Javier Bezos https://tex.stackexchange.com/landing/r/digest?cta=user&id=5735 Score of 4

11.28.1.6 Using labyrinth package with standalone class

https://tex.stackexchange.com/landing/r/digest?cta=question&id=741626

I am trying to create a maze and its solution using the labyrinth package inside a standalone document class akin to a tikz. However, when I try to compile, I run into the following error (MWE given ... 
[standalone]
 

asked by bhache https://tex.stackexchange.com/landing/r/digest?cta=user&id=330145 Score of 5

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 5

11.28.1.7 Typeset a matrix with crossing lines

https://tex.stackexchange.com/landing/r/digest?cta=question&id=741396

Section 5.4, "Invariant Subspaces and the Cayleya^\200\223Hamilton Theorem", of Friedberg, Insel, and Spence's Linear Algebra represents the direct sum of matrices like so: 
I'm interested in ... 
[amsmath] [matrices]
 

asked by pigrammer https://tex.stackexchange.com/landing/r/digest?cta=user&id=390758 Score of 5

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 7