9.50.3 Can you answer these questions?

9.50.3.1 How to delete duplicate points in computer generated tikz image

https://tex.stackexchange.com/landing/r/digest?cta=question&id=692031

I used an svg file of an image as the basis for a program (this one, I think) to generate a tikz version of the image. The tikz code it produced compiles correctly and the image looks good, but the ... 
[tikz-pgf] [coordinates] [svg]
 

asked by Brian https://tex.stackexchange.com/landing/r/digest?cta=user&id=63515 Score of 1

9.50.3.2 Line Numbers inside a Tikz Environment

https://tex.stackexchange.com/landing/r/digest?cta=question&id=692253

I'm trying to split my page into 4 subparts, similar to How to split a page into four areas in tex. I wish to number the lines of text inside each of these parts, using the lineno package. But the ... 
[tikz-pgf] [xetex] [lineno]
 

asked by Aditya https://tex.stackexchange.com/landing/r/digest?cta=user&id=299246 Score of 1

9.50.3.3 Why is tcolorbox preventing noindentafter from working properly?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=692271

I  just discovered  that  the  tcolorbox package  prevents 
noindentafter from doing its job: 
\documentclass[12pt,a4paper]{report} 
\usepackage{noindentafter} 
\NoIndentAfterEnv{verbatim} 
\usepackage{... 
[spacing] [packages] [indentation] [debugging]
 

asked by sidyll https://tex.stackexchange.com/landing/r/digest?cta=user&id=8383 Score of 1