11.74.3 Can you answer these questions?

11.74.3.1 How to format the zref-clever's separator?
11.74.3.2 Question regarding a question/answer from long ago : character at start of each line
11.74.3.3 axis 2nd and 3rd quadrant: arrows
11.74.3.1 How to format the zref-clever's separator?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754229

This question is from this link. Since cleveref was last updated in 2018, I am trying to do the same with zref-clever: 
\documentclass{beamer} 
\usepackage{hyperref} 
% \usepackage{cleveref} 
% \... 
[cleveref] [zref-clever]
 
asked by Explorer https://tex.stackexchange.com/landing/r/digest?cta=user&id=322482 Score of 1
11.74.3.2 Question regarding a question/answer from long ago : character at start of each line

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754331

Using lualatex with TeXlive 2025 on Linux, but I believe this is applicable to more general usage. 
Reference: add character to start of each line in block 
The answer was by DavidCarlisle. That ... 
[boxes] [vskip] [penalty]
                                                                                  

                                                                                  
 
asked by rallg https://tex.stackexchange.com/landing/r/digest?cta=user&id=358219 Score of 1
answered by rallg https://tex.stackexchange.com/landing/r/digest?cta=user&id=358219 Score of 0
11.74.3.3 axis 2nd and 3rd quadrant: arrows

https://tex.stackexchange.com/landing/r/digest?cta=question&id=754407

I need to draw a graph in the 3rd quadrant. I'd like to have the arrows poiting left (x) en down (right) with the axis labels left (x) en botton (y) 
is there a way to do this? 
\documentclass{... 
[graphics] [axis]
 
asked by MrI2C https://tex.stackexchange.com/landing/r/digest?cta=user&id=189283 Score of 1