12.18.1 Top new questions this week

12.18.1.1 Count spaces in LaTeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760770

I would like to create a fast/optimized fully expandable function that counts the number of spaces in an argument: 
\documentclass{article} 
\begin{document} 
\countspaces{ A B } % Should return 3 (1 is ... 
[spacing] [expansion] [latex3] [programming]
 

asked by Vincent https://tex.stackexchange.com/landing/r/digest?cta=user&id=17200 Score of 13

answered by wipet https://tex.stackexchange.com/landing/r/digest?cta=user&id=51799 Score of 11

12.18.1.2 Automatically include -converted version of images in LaTeX if it exists

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760850

I'm working on a LaTeX document where I have multiple image files, some of which have a -converted version. For example, my files might look like this: 
a.png 
b.png 
b-converted.png 
c.png 
c-converted.... 
[graphics]
 

asked by monty01 https://tex.stackexchange.com/landing/r/digest?cta=user&id=433835 Score of 9

answered by taiwan12 https://tex.stackexchange.com/landing/r/digest?cta=user&id=235794 Score of 9

12.18.1.3 Inline formula baseline issues of `a` with TeX Gyre Pagella Math?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760686

Here below is the example code: 
\documentclass{article} 
\usepackage{unicode-math} 
\setmathfont{TeX Gyre Pagella Math} 
\begin{document} 
Inline $(\frac{1}{b} , \frac{1}{a})$ 
\[ (\frac{1}{b} , \frac{1}{... 
[fonts] [tex-gyre-math]
                                                                                  

                                                                                  
 

asked by Explorer https://tex.stackexchange.com/landing/r/digest?cta=user&id=322482 Score of 9

answered by cfr https://tex.stackexchange.com/landing/r/digest?cta=user&id=39222 Score of 6

12.18.1.4 How should (0,-1) -- +([turn]45:2) be interpreted?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760922

How should I interprete the case B? 
Case A 
\documentclass[tikz,border=12pt,12pt]{standalone} 
\begin{document} 
\begin{tikzpicture}[dot/.append style={circle,fill,inner sep=3pt}] 
\draw (-3,-3) grid (3,3)... 
[tikz-pgf]
 

asked by D G https://tex.stackexchange.com/landing/r/digest?cta=user&id=12187 Score of 8

answered by Rmano https://tex.stackexchange.com/landing/r/digest?cta=user&id=38080 Score of 5

12.18.1.5 How do I make all my tabular cells be vertically centered?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760687

I'm working on a document that contains quite a lot of tables. In many of these tables, some columns have normal text, while other columns have other things (e.g. inline images, math formulae, etc) ... 
[tables] [vertical-alignment]
 

asked by Draconis https://tex.stackexchange.com/landing/r/digest?cta=user&id=169121 Score of 8

answered by jlab https://tex.stackexchange.com/landing/r/digest?cta=user&id=316068 Score of 11

12.18.1.6 Trig label Issues on Graph

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760803

I am trying to recreate this picture from the College Board.  I am able to recreate the image with the x-axis labeled in fourths (pi).  However, the original shows each label being 1/8 (pi).  Each ... 
[tikz-pgf] [pgfplots] [trig]
 

asked by Nick B https://tex.stackexchange.com/landing/r/digest?cta=user&id=37670 Score of 7

answered by kabenyuk https://tex.stackexchange.com/landing/r/digest?cta=user&id=204924 Score of 7

12.18.1.7 Drawing a Manifold in tikz

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760774

I am trying to draw a manifold using tikz. The best way I can think of is to give several points and generates smooth lines connecting those points. Here is my draft: 
\documentclass{article} 
\... 
[tikz-pgf]
 

asked by Hassium https://tex.stackexchange.com/landing/r/digest?cta=user&id=361928 Score of 7

answered by cfr https://tex.stackexchange.com/landing/r/digest?cta=user&id=39222 Score of 12