8.26.1 Top new questions this week

8.26.1.1 TikZ: Shading a stripped ball

https://tex.stackexchange.com/landing/r/digest?cta=question&id=641981

I want to have a stripped ball with 3-D shading. My attempt 
\documentclass{scrartcl} 
\usepackage{tikz} 
\begin{document} 
\begin{tikzpicture} 
\shade[shading=ball, ball color=green!60] (0,2) arc (... 
[tikz-pgf]
 

asked by Bubaya https://tex.stackexchange.com/landing/r/digest?cta=user&id=27717 Score of 7

answered by hpekristiansen https://tex.stackexchange.com/landing/r/digest?cta=user&id=8650 Score of 16

8.26.1.2 \NewDocumentEnvironment eats the first non-letter token when used for verbatim environment

https://tex.stackexchange.com/landing/r/digest?cta=question&id=641880

I was messing around with creating verbatim environment saving its contents to a file like the one described in verbatim package documentation (end of section 2.2), but using latex3 features. It ... 
[environments] [verbatim] [latex3] [xparse]
 

asked by nim https://tex.stackexchange.com/landing/r/digest?cta=user&id=269072 Score of 7

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

8.26.1.3 LaTeX3 not enforcing argument types for user-defined control sequences, why?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=641749

From a previous question, @egreg's states: 
The argument types N and n are the most common. The former means that the argument must be an unbraced single token, the latter means that the argument must ... 
[macros] [expl3] [latex3]
 

asked by user32882 https://tex.stackexchange.com/landing/r/digest?cta=user&id=134984 Score of 7

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 6

8.26.1.4 Incidence Symbol for Geometry

https://tex.stackexchange.com/landing/r/digest?cta=question&id=641787

My professor invented a symbol for when a line and a point are geometrically incident. I added a picture and wanted to ask if someone knows how to write this in LaTex? 
It is a small line with a dot in ... 
[symbols]
 

asked by calculatormathematical https://tex.stackexchange.com/landing/r/digest?cta=user&id=267805 Score of 6

answered by user187803 https://tex.stackexchange.com/landing/r/digest?cta=user&id=263192 Score of 8

8.26.1.5 Nested lists with roman numerals

https://tex.stackexchange.com/landing/r/digest?cta=question&id=641644

I have seen here how roman numerals can be used in enumerate lists. How could I create nested lists with roman numerals, to get something like this? 
(i) ... 
(i.i) ... 
(i.ii) ... 
(ii) ... 
[lists] [enumerate]
 

asked by Invenietis https://tex.stackexchange.com/landing/r/digest?cta=user&id=240784 Score of 6

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 5

8.26.1.6 'i' symbol in TeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=641490

Consider: 
I would like to know the LaTeX command for the symbol above. I searched for it online and tried Detexify, but I could not find it. 
[symbols]
 

asked by J.C https://tex.stackexchange.com/landing/r/digest?cta=user&id=231676 Score of 6

answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 Score of 9

8.26.1.7 Unexpected behaviour of empty line in Springer latex template

https://tex.stackexchange.com/landing/r/digest?cta=question&id=641995

I don't understand why in the below code it is necessary to have an empty line between \abstract{...} and the \maketitle command. 
With an empty line there the below code compiles as expected, without ... 
[springer] [springernature]
 

asked by Jon Isr https://tex.stackexchange.com/landing/r/digest?cta=user&id=269140 Score of 5