9.55.3 Can you answer these questions?

9.55.3.1 Can I use ltxdoc, makeidx, doc and bookmarks? If so, how?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=693995

Is it possible to use ltxdoc.cls with doc, makeidx and bookmark? 
MNWE: 
\documentclass{ltxdoc} 
\usepackage{doc,makeidx} 
\usepackage{bookmark} 
\makeindex 
\begin{document} 
\DescribeMacro{\mymacro}\marg{... 
[bookmarks] [documentation] [makeidx] [doc] [ltxdoc]
 

asked by cfr https://tex.stackexchange.com/landing/r/digest?cta=user&id=39222 Score of 1

9.55.3.2 How to create a solution environment

https://tex.stackexchange.com/landing/r/digest?cta=question&id=693869

I want to create a solution environment that works somehow like this: 
If at the beginning of the document, solutions are TRUE I want to show the text in the environment and be highlithed. 
If it is ... 
[environments] [conditionals]
 

asked by Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=292979 Score of 1

answered by MS-SPO https://tex.stackexchange.com/landing/r/digest?cta=user&id=245790 Score of 0

9.55.3.3 How to adjust hanging width in titlesec?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=693992

I want to achieve a section/subsection arrangement that looks like the one below: 
Where the subsection is indented and the multiline title is completely set apart as its own block of text. You can ... 
[titlesec]
 

asked by tubaplayer144 https://tex.stackexchange.com/landing/r/digest?cta=user&id=236114 Score of 1