7.79.1 Top new questions this week

7.79.1.1 Where does the extra space come from after a capital P in math mode?
7.79.1.2 Am I supposed to write the .bib file myself or is there an automatic process?
7.79.1.3 In LaTeX3, how do I peek ahead for an active character?
7.79.1.4 replace capital a^\200\272a'\272\236a^\200\271 with a^\200\272ssa^\200\271 when using small caps
7.79.1.5 \widering over \bar not working
7.79.1.6 How do I shade a cone to match ball shading?
7.79.1.7 Expl3 token list with UTF-8 characters (or seeing it as a byte list)
7.79.1.1 Where does the extra space come from after a capital P in math mode?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=625795

Ia^\200\231ve noticed that when a capital P appears in juxtaposition with another variable in math mode, an extra space is automatically inserted. This appears to happens in both plain TeX and in LaTeX. Herea^\200\231s ... 
[math-mode] [tex-core]
 
asked by Alexis King https://tex.stackexchange.com/landing/r/digest?cta=user&id=72456 14 votes
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 13 votes
7.79.1.2 Am I supposed to write the .bib file myself or is there an automatic process?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=626136

Sorry if this may sounds a bit silly, but I am tring to teach myself using biblatex and it is more complicated than I thought though when it comes to generating .bib file. 
My main complaint is it ... 
[biblatex] [jabref]
 
asked by jxhyc https://tex.stackexchange.com/landing/r/digest?cta=user&id=91002 10 votes
answered by Joseph Wright https://tex.stackexchange.com/landing/r/digest?cta=user&id=73 11 votes
7.79.1.3 In LaTeX3, how do I peek ahead for an active character?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=626129

LaTeX3 defines the \peek_catcode_ignore_spaces:NTF which allows me to look ahead at the next token in the stream (ignoring spaces) and test its catcode against those of a slew of standard tokens.  So ... 
[expl3] [active-characters]
 
asked by Andrew Stacey https://tex.stackexchange.com/landing/r/digest?cta=user&id=86 9 votes
answered by Phelype Oleinik https://tex.stackexchange.com/landing/r/digest?cta=user&id=134574 11 votes
7.79.1.4 replace capital a^\200\272a'\272\236a^\200\271 with a^\200\272ssa^\200\271 when using small caps

https://tex.stackexchange.com/landing/r/digest?cta=question&id=625781

I like small caps for author surnames. 
Until quite recently, capitalized a^\200\272A~\237a^\200\271 a^\200\223 a special character that is regularly used in the German alphabet a^\200\223 was replaced by a^\200\272SSa^\200\271 (in headings, small caps in ... 
[small-caps] [capitalization] [libertine] [german]
 
asked by Kubo https://tex.stackexchange.com/landing/r/digest?cta=user&id=134455 9 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 8 votes
7.79.1.5 \widering over \bar not working

https://tex.stackexchange.com/landing/r/digest?cta=question&id=626020

I need to write a topology expression involving the interior of the closure of a set. For the interior of a (not simple) set I'm using the macro \widering from yhmath package and it works fine if I ... 
[accents] [yhmath]
 
asked by Juan CastaA~+-o https://tex.stackexchange.com/landing/r/digest?cta=user&id=231368 8 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 7 votes
7.79.1.6 How do I shade a cone to match ball shading?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=626186

How do I shade a cone like this 
Note that the bright part is wider at the bottom (because the radius is greater there). 
The intent is that the cone and \tikz \shadedraw[ball color=red] circle[radius=... 
[tikz-pgf] [tikz-3d]
 
asked by Mogens https://tex.stackexchange.com/landing/r/digest?cta=user&id=258468 7 votes
7.79.1.7 Expl3 token list with UTF-8 characters (or seeing it as a byte list)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=626078

I'm currently using expl3 code in a project. It's been a slow learning process. 
Now I need to deal with an UTF-8 input stream, but, as I already suspected there's a problem dealing with 2-byte ... 
[expl3] [latex3]
 
asked by Jander https://tex.stackexchange.com/landing/r/digest?cta=user&id=64821 6 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 6 votes