7.12.3 Can you answer these questions?

7.12.3.1 Matcha.io doesn't work for Plots?
7.12.3.2 Getting the name of control sequence token - which values of \escapechar besides 32 require special attention?
7.12.3.3 correctly scaling the output of svg2tikz for using in a tikzpicture
7.12.3.1 Matcha.io doesn't work for Plots?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=584056

%%%%%%%%%%%%%%%%%%%%% 
\cprotect\subsubsection{\verb|I like to use the free online edit matcha.io|} 
\url{https://www.mathcha.io/} 
 
\begin{TEXTWinline} 
[plot] [editors] [online]
 
asked by GiacomoDB https://tex.stackexchange.com/landing/r/digest?cta=user&id=218250 1 vote
7.12.3.2 Getting the name of control sequence token - which values of \escapechar besides 32 require special attention?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=584473

I'd like to get the name of a control sequence token as sequence of character tokens. 
With \relax I'd like to get relax. 
The preceeding escape character is to be removed from the result of \string\... 
[tex-core] [strings] [parameters] [primitives]
                                                                                  

                                                                                  
 
asked by JamieLittleJoeHossAdamBen https://tex.stackexchange.com/landing/r/digest?cta=user&id=235851 1 vote
7.12.3.3 correctly scaling the output of svg2tikz for using in a tikzpicture

https://tex.stackexchange.com/landing/r/digest?cta=question&id=584375

I am pretty new to tikz. I would like to use a simple external image inside a tikzpicture environment, like in the following mwe 
\documentclass[tikz,border=5]{standalone} 
\begin{document} 
\begin{... 
[tikz-pgf] [html] [svg] [png]
 
asked by PFB https://tex.stackexchange.com/landing/r/digest?cta=user&id=235775 1 vote