11.78.3 Can you answer these questions?

11.78.3.1 Problem with arabic font

https://tex.stackexchange.com/landing/r/digest?cta=question&id=755051

Consider this example: (with this font). 
How to get ride with this problem? 
\mainlanguage[ar] 
\language[ar] 
\setupdirections[bidi=global,method=one] 
\setuppapersize[A4] 
\setuplayout[width=middle, 
... 
[arabic] [context-lmtx]
 

asked by Aviroum https://tex.stackexchange.com/landing/r/digest?cta=user&id=35785 Score of 3

11.78.3.2 Self-pointing arrows with tikz-cd

https://tex.stackexchange.com/landing/r/digest?cta=question&id=755296

I am trying to adapt this answer to type a bitorsor structure with tikz-cd. What I am getting so far is: 
My questions are: 
How to change the direction of the arrows on the right? I tried to switch ... 
[tikz-cd]
 

asked by Jinwen https://tex.stackexchange.com/landing/r/digest?cta=user&id=194994 Score of 1

11.78.3.3 How does autoinst use my provided encoding file?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=755300

I want to modify T1 encoding in two characters to fix the issue I described in How can I make sure characters 157 and 158 are populated with autoinst? 
So what I did is I copied the fontools_t1.enc, ... 
[autoinst]
 

asked by TobiBS https://tex.stackexchange.com/landing/r/digest?cta=user&id=156791 Score of 1