10.13.1 Top new questions this week

10.13.1.1 Moving from pgfkeys to latex3 key-val system to handle package options

https://tex.stackexchange.com/landing/r/digest?cta=question&id=709928

I have been advised in this question to move from pgfopts to latex3 to handle package options. I would like to do that but I must admit that I am a little lost. Examples with the patterns I'm using ... 
[latex3] [programming] [pgfkeys] [package-writing] [key-value]
 

asked by Vincent https://tex.stackexchange.com/landing/r/digest?cta=user&id=17200 Score of 7

answered by Skillmon https://tex.stackexchange.com/landing/r/digest?cta=user&id=117050 Score of 8

10.13.1.2 Get third argument from string?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=709994

So here is a way to get the first, second, and remaining elements (characters) of a given string: 
\makeatletter 
\newcommand{\firstof}[1]{\@car#1\@nil} 
\newcommand{\secondof}[1]{\expandafter\@car\@cdr#... 
[macros] [expansion]
 

asked by wmnorth https://tex.stackexchange.com/landing/r/digest?cta=user&id=28522 Score of 7

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 7

10.13.1.3 Extra Spacing After "s.t."

https://tex.stackexchange.com/landing/r/digest?cta=question&id=710010

Whenever I type "s.t." in my paper, there is always extra space after it. It also has this wierd thing when I highlight that extra space, it highlight through some random point in my paper. ... 
[punctuation] [white-space]
                                                                                  

                                                                                  
 

asked by Everett Holbrook https://tex.stackexchange.com/landing/r/digest?cta=user&id=314465 Score of 5

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 6

10.13.1.4 Delete non-ascii characters from string? No special chars involved. Do not need to replace them

https://tex.stackexchange.com/landing/r/digest?cta=question&id=709722

After browsing, I see that this kind of question has been answered for other programming languages (R, Python, etc.) but not for TeX (specifically lualatex) The only related questions on this topic ... 
[luatex] [strings] [ascii]
 

asked by rallg https://tex.stackexchange.com/landing/r/digest?cta=user&id=287367 Score of 5

answered by Skillmon https://tex.stackexchange.com/landing/r/digest?cta=user&id=117050 Score of 4

10.13.1.5 TikZ in XeLaTeX vs. LaTeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=709660

I have a document with some complicated mathematical diagrams (system of commutative maps, arrows and labels).  It seems to build the diagrams correctly only in XeLaTeX.  The rest of the document ... 
[tikz-pgf] [xetex]
 

asked by mbsq https://tex.stackexchange.com/landing/r/digest?cta=user&id=314205 Score of 5

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 10

10.13.1.6 Hyperref conflicting with enumitem

https://tex.stackexchange.com/landing/r/digest?cta=question&id=709519

The code 
\documentclass[11pt]{article} 
\usepackage{hyperref} 
\usepackage{enumitem} 
\newlist{ilist}{enumerate}{3} 
\setlist*[ilist]{leftmargin=*} 
\setlist*[ilist,1]{label=\arabic*.} 
\setlist*[ilist,2]{... 
[errors] [hyperref] [enumitem]
 

asked by arz https://tex.stackexchange.com/landing/r/digest?cta=user&id=305602 Score of 5

answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 Score of 7

10.13.1.7 \cref : "Argument of \textsf has an extra  ."

https://tex.stackexchange.com/landing/r/digest?cta=question&id=709964

So I have this bit of code 
\begin{ex} 
The prototype for an abelian category is $\Mod_R$, in fact every abelian category is equivalent to a full subcategory of $\Mod_R$ as we will see in \cref{FMET}... 
[hyperref] [cleveref] [amsthm]
 

asked by Jolia https://tex.stackexchange.com/landing/r/digest?cta=user&id=314440 Score of 4

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 3