8.39.3 Can you answer these questions?

8.39.3.1 My markings are not working (pgfkeys : key '/tikz/marking' unkown)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=647600

So I am trying to draw barred arrow in tikzcd, and following the answer of for example here :https://tex.stackexchange.com/a/493140/236919 . It does not work because of marking. 
The other (much more ... 
[arrows] [tikz-cd] [pgfkeys]
 

asked by 4xel https://tex.stackexchange.com/landing/r/digest?cta=user&id=236919 Score of 1

8.39.3.2 Asymptote does not produce an output when run on files in another directory

https://tex.stackexchange.com/landing/r/digest?cta=question&id=647542

I have a file called test1.asy in the current directory. I can run asy test1.asy and it produces a test1.eps output file normally. I also have another directory in the current directory called asy_src ... 
[asymptote]
 

asked by radiuszero https://tex.stackexchange.com/landing/r/digest?cta=user&id=245169 Score of 1

8.39.3.3 Lyx change the color of Math panel

https://tex.stackexchange.com/landing/r/digest?cta=question&id=647669

is there a way for me to change the color (the blue part of the img below) of the math panel? My lyx is in dark-mode which I like. The only my un-satisfaction is coming from the blue part. I would ... 
[color] [lyx]
 

asked by Python2018 https://tex.stackexchange.com/landing/r/digest?cta=user&id=272339 Score of 1

answered by scottkosty https://tex.stackexchange.com/landing/r/digest?cta=user&id=12212 Score of 0