6.34.1 Top new questions this week

6.34.1.1 Is it OK to use '\ ' after initials in BibTeX files?
6.34.1.2 \color .  \] \par leads to extra space
6.34.1.3 How to use \NewDocumentCommand
6.34.1.4 Small p with dot below
6.34.1.5 How to draw the following Mongolian calligraphy?
6.34.1.6 Custom Symbol Creation   Union and Intersection
6.34.1.7 LaTeX3 floating point sqrt() doesn't seem to work when ^ or ** is used on negative operands
6.34.1.1 Is it OK to use '\ ' after initials in BibTeX files?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=551139

We share a large BibTeX files at work and I have noticed that there are many entries with \  after initials, for ex. author = {D.P.\ Bertsekas} or author = {D.\ P.\ Bertsekas}. 
Is there any benefit to  ... 
[bibtex]
 
asked by Michal Kaut https://tex.stackexchange.com/landing/r/digest?cta=user&id=10760 14 votes
answered by moewe https://tex.stackexchange.com/landing/r/digest?cta=user&id=35864 21 votes
6.34.1.2 \color .  \] \par leads to extra space

https://tex.stackexchange.com/landing/r/digest?cta=question&id=551790

The following MWE shows some extra space (roughly an empty line). 
\documentclass{article} 
\usepackage{color} 
\begin{document} 
\[a^2+b^2<c^2\] 
Remark under displaymath at its usual  ... 
[math-mode] [color] [vertical-alignment]
 
asked by Symbol 1 https://tex.stackexchange.com/landing/r/digest?cta=user&id=51022 8 votes
answered by wipet https://tex.stackexchange.com/landing/r/digest?cta=user&id=51799 5 votes
6.34.1.3 How to use \NewDocumentCommand

https://tex.stackexchange.com/landing/r/digest?cta=question&id=551429

I came across this function in xparse and have some questions about its usage: 
The doc says it defines a robust function. So I guess if a function defined with \NewDocumentCommand calls an inner  ... 
[expl3] [latex3] [xparse]
 
asked by Cyker https://tex.stackexchange.com/landing/r/digest?cta=user&id=4288 8 votes
answered by Skillmon likes topanswers.xyz https://tex.stackexchange.com/landing/r/digest?cta=user&id=117050 7 votes
6.34.1.4 Small p with dot below

https://tex.stackexchange.com/landing/r/digest?cta=question&id=551268

Is it at all possible to place a dot below p? I am referring to the dots as the one in a',\[Yen]. 
For what I am aware, this character is not in unicode (should be in Latin Extended Additional, by having a  ... 
[luatex] [unicode]
 
asked by jschiavon https://tex.stackexchange.com/landing/r/digest?cta=user&id=202311 8 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 9 votes
6.34.1.5 How to draw the following Mongolian calligraphy?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=551681

I want to draw a work of Mongolian calligraphy below. 
There are some problems when I scaled it as follows. 
Here is my attempt with TikZ. 
\begin{tikzpicture}[xscale=0.5,yscale=0.5] 
\draw[fill,black]  ... 
[tikz-pgf] [pstricks] [tikz-styles] [tikz-arrows] [tikz-graphdrawing]
 
asked by Bat-erdene Altangerel https://tex.stackexchange.com/landing/r/digest?cta=user&id=82003 6 votes
answered by Bernard https://tex.stackexchange.com/landing/r/digest?cta=user&id=38908 7 votes
6.34.1.6 Custom Symbol Creation   Union and Intersection

https://tex.stackexchange.com/landing/r/digest?cta=question&id=551209

I am a beginner in LaTeX and was wondering if someone could help me with the following problem. 
I will be soon embarking on a re-formatting journey of a certain article and believe that I have most of  ... 
[tikz-pgf] [symbols] [relation-symbols] [mathematics]
 
asked by Michal https://tex.stackexchange.com/landing/r/digest?cta=user&id=219222 6 votes
answered by Vincent https://tex.stackexchange.com/landing/r/digest?cta=user&id=201628 7 votes
6.34.1.7 LaTeX3 floating point sqrt() doesn't seem to work when ^ or ** is used on negative operands

https://tex.stackexchange.com/landing/r/digest?cta=question&id=551404

I'm working on a parser to calculate a vector's magnitude and it seems the sqrt() function throws an error when acting on an expression containing the ^ or ** operator operating on a negative number.  ... 
[expl3] [latex3]
 
asked by LaTeXereXeTaL https://tex.stackexchange.com/landing/r/digest?cta=user&id=218142 6 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 8 votes