5.1.3 Can you answer these questions?

5.1.3.1 Thin spaces in set-builder notation

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=467786

Knuth recommends inserting thin spaces inside the braces in set-builder notation. I do not quite get the point in doing so. Why would one write \{a,b,c\} but on the other hand \{\,x\mid x>5\,\}? Is  ... 
[typography]
 

asked by Ivan https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=56019 1 vote

5.1.3.2 Make a floating box anchored to text using inline code

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=467871

I'm trying to make an Organizer, including a weekly planner, based on one I found on the net using tex. I've managed, until now, to make some changes to adapt it to my needs and, for example, include  ... 
[tikz-pgf] [diagrams]
 

asked by Unkuiri https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=177896 1 vote

5.1.3.3 LaTeX - invalid page break for first \includegraphics in chapter

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=468178

I've created chapter containing only images with caption. All images shall have fixed width (\textwidth), height is always unknown (image shall be correctly scaled). 
From second image everything  ... 
[page-breaking] [chapters] [includegraphics]
 

asked by Joseph https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=178693 1 vote