8.21.3 Can you answer these questions?

8.21.3.1 I'm facing a problem with mtpro2

https://tex.stackexchange.com/landing/r/digest?cta=question&id=638559

I appreciate efforts of those that aided me on my newtxtext, newtxmath problem. I have now updated my TeX distribution (MiKTeX) and now I was able to run the code as edited here which didn't initially ... 
[miktex] [mtpro] [newtx]
 

asked by Abdulhafeez Ayinde Abdulsalam https://tex.stackexchange.com/landing/r/digest?cta=user&id=219761 Score of 1

8.21.3.2 Can polyglossia's option splithyphens be used in English?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=638498

Croatian, Czech and Slovak languages in polyglossia have splithyphens as an option. It causes that, when a word with a hyphen is hyphenated at the hyphen, the original hyphen is at the start of the ... 
[hyphenation] [polyglossia] [english]
 

asked by matj1 https://tex.stackexchange.com/landing/r/digest?cta=user&id=161116 Score of 1

8.21.3.3 highlighting with different heights

https://tex.stackexchange.com/landing/r/digest?cta=question&id=638877

I want to use \hl from the soul package to highlight my mathematical definitions. The problem is, that it is very inflexible when it comes to height. For example when I write 
\documentclass{article} 
\... 
[highlighting] [soul]
 

asked by Stefan Friedl https://tex.stackexchange.com/landing/r/digest?cta=user&id=267355 Score of 1