7.80.1 Top new questions this week

7.80.1.1 Why is the 7 (Computer Modern italic) jumping out of the baseline in this code?
7.80.1.2 Variable number of arguments: generate alignment characters
7.80.1.3 uncommon form of continued-fraction expression
7.80.1.4 Patch parameter of environment
7.80.1.5 TikZ cover underlying shapes
7.80.1.6 Help to draw a Markov chain
7.80.1.7 TiKz Path Exclusion - Compound Shapes (pathfinder functionality)
7.80.1.1 Why is the 7 (Computer Modern italic) jumping out of the baseline in this code?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=627317

I have an issue I cannot explain to myself. Here is the code: 
\documentclass{scrartcl} 
\usepackage{tikz} 
\begin{document} 
\newcommand{\tikzmark}[4][]{\begin{tikzpicture}\node[inner sep=1pt,outer sep=... 
[fonts] [bounding-box] [computer-modern] [baseline]
 
asked by TobiBS https://tex.stackexchange.com/landing/r/digest?cta=user&id=156791 25 votes
answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 31 votes
7.80.1.2 Variable number of arguments: generate alignment characters

https://tex.stackexchange.com/landing/r/digest?cta=question&id=627475

I'm trying to define a command \letin that should produce something that looks as follows. 
Note that it should support a variable number of "let" arguments and a single "in" ... 
[macros] [align] [loops] [parameters] [ampersand]
 
asked by Safron https://tex.stackexchange.com/landing/r/digest?cta=user&id=149123 12 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 7 votes
7.80.1.3 uncommon form of continued-fraction expression

https://tex.stackexchange.com/landing/r/digest?cta=question&id=627853

I have a copy of the text from the book to do. But I have been working in latex for a month and I have a problem with remaking these continued fractions. 
My code is looking like this: 
\[ 
\frac{n_{0}}{... 
[math-mode] [fractions]
 
asked by Cloudy https://tex.stackexchange.com/landing/r/digest?cta=user&id=260130 8 votes
answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 7 votes
7.80.1.4 Patch parameter of environment

https://tex.stackexchange.com/landing/r/digest?cta=question&id=627499

I'm using the taggedline environment from the tagpair package for source attributions in my examples. By default, these get printed in the document font. For less visual clutter, I had considered ... 
[environments]
 
asked by JipA~\[DiscretionaryHyphen] https://tex.stackexchange.com/landing/r/digest?cta=user&id=60686 7 votes
answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 5 votes
7.80.1.5 TikZ cover underlying shapes

https://tex.stackexchange.com/landing/r/digest?cta=question&id=627812

I want to hide parts if the underlying shape. In this case, I would like to hide the parts of the blue object which are covered by the red one. 
\begin{scope}[rotate=45] 
\draw[pattern=north east ... 
[tikz-pgf]
 
asked by Roby https://tex.stackexchange.com/landing/r/digest?cta=user&id=260066 6 votes
answered by Ignasi https://tex.stackexchange.com/landing/r/digest?cta=user&id=1952 5 votes
7.80.1.6 Help to draw a Markov chain

https://tex.stackexchange.com/landing/r/digest?cta=question&id=627564

I need help drawing a simple markov chain. 
This is the code I was using: 
\begin{tikzpicture}[ 
> = stealth', 
auto, 
prob/.style = {inner sep=1pt,font=\footnotesize} 
] 
\node[state]  (a) {$1$... 
[tikz-pgf]
 
asked by alejelmo https://tex.stackexchange.com/landing/r/digest?cta=user&id=257268 6 votes
answered by Bernard https://tex.stackexchange.com/landing/r/digest?cta=user&id=38908 10 votes
7.80.1.7 TiKz Path Exclusion - Compound Shapes (pathfinder functionality)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=627706

On Adobe Illustrator, it is very easy to use Pathfinder to create compound shapes by (using the path exclude function with the shape to be retained in the back layer and all paths to be removed in ... 
[tikz-pgf] [paths] [fill] [path-clipping] [clip]
 
asked by Terry Panda https://tex.stackexchange.com/landing/r/digest?cta=user&id=136988 6 votes
answered by Kpym https://tex.stackexchange.com/landing/r/digest?cta=user&id=9335 4 votes