8.75.3 Can you answer these questions?

8.75.3.1 How to lookup the author's name from bib file, without causing the lookup to add a bibliography entry?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=665352

To avoid/detect typos in author names I would like to use the bib file as a 
single source for names. Please see the following mwe: 
\documentclass{article} 
\begin{filecontents}{demo.bib} 
@book{... 
[biblatex] [bibliographies]
 

asked by lAtExFaN https://tex.stackexchange.com/landing/r/digest?cta=user&id=112503 Score of 1

8.75.3.2 Showing only the current section in headline, Warsaw theme

https://tex.stackexchange.com/landing/r/digest?cta=question&id=665029

The default headline setting in the Warsaw theme in Latex Beamer is to show all the sections in the headline.When I have a lot of sections, headline can take up too much space and push some content of ... 
[beamer] [headline]
                                                                                  

                                                                                  
 

asked by Aggie Sun https://tex.stackexchange.com/landing/r/digest?cta=user&id=284816 Score of 1

answered by Simon Dispa https://tex.stackexchange.com/landing/r/digest?cta=user&id=161015 Score of 0

8.75.3.3 Book recommendations for pre-press and printing a LaTeX document

https://tex.stackexchange.com/landing/r/digest?cta=question&id=665053

I'm on the way to self-publishing a book I wrote in LaTeX. Now, I don't have any broader background in LaTeX other than scientific writing. However, I got this far that I now need to dive into the ... 
[xetex] [books] [pdfx] [publishing] [cmyk]
 

asked by hschmauder https://tex.stackexchange.com/landing/r/digest?cta=user&id=284774 Score of 1