8.51.1 Top new questions this week

8.51.1.1 How to create \in-symbol with underbar that has rounded edges and correct vertical spacing?
8.51.1.2 Math: overwrite \int command
8.51.1.3 Is it a limited numerical precision of Tikz or I don't understand the transformation?
8.51.1.4 How do I change the sans serif font in my document?
8.51.1.5 Spacing before and after \color
8.51.1.6 How to well close a lindenmayer curve from TikZ?
8.51.1.7 I can't understand why the third column (N) has different width from the rest
8.51.1.1 How to create \in-symbol with underbar that has rounded edges and correct vertical spacing?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=652653

The aim is to create a new symbol \ineq. The appearence of \ineq would be to \in as \subseteq is to \subset. 
Output from attempt at making \ineq: 
Problems with attempt in decreasing order of ... 
[math-mode] [symbols] [underline] [definition] [relation-symbols]
 
asked by Linear Christmas https://tex.stackexchange.com/landing/r/digest?cta=user&id=116907 Score of 7
answered by campa https://tex.stackexchange.com/landing/r/digest?cta=user&id=82917 Score of 5
8.51.1.2 Math: overwrite \int command

https://tex.stackexchange.com/landing/r/digest?cta=question&id=652688

I wish I could override the \ int command, so that each integral is rendered this way. 
Yes, I know the command to display it this way is \int\displaylimits_a^b, but I would like to overwrite the ... 
[math-mode] [formatting] [amsmath] [math-operators] [integral]
 
asked by user3713179 https://tex.stackexchange.com/landing/r/digest?cta=user&id=258662 Score of 7
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 5
8.51.1.3 Is it a limited numerical precision of Tikz or I don't understand the transformation?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=652408

I'm using a (-n active) nonlinear transformation of the form 
x \mapsto (x + a * sin x), y \mapsto y 
The problem is that the points with x = nI"\200, for n an integer, should be fixed points of the ... 
[tikz-pgf] [pgfplots] [transformation]
 
asked by Physor https://tex.stackexchange.com/landing/r/digest?cta=user&id=223997 Score of 6
answered by Qrrbrbirlbel https://tex.stackexchange.com/landing/r/digest?cta=user&id=16595 Score of 3
8.51.1.4 How do I change the sans serif font in my document?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=652717

I am writing a document in Latex using the class scrbook and I have changed the main font to Palladio.  The problem is that now I don't like the default sans serif font, and I would like to change it. ... 
[fonts] [sans-serif]
 
asked by Federico R. https://tex.stackexchange.com/landing/r/digest?cta=user&id=277541 Score of 5
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 5
8.51.1.5 Spacing before and after \color

https://tex.stackexchange.com/landing/r/digest?cta=question&id=652512

I want to define a command, \makered, that makes things red. Consider three candidates: 
1: \newcommand{\makered}[1]{{\color{red}#1}} 
2: \newcommand{\makered}[1]{\colorlet{savedcol}{.}\color{red}#1\... 
[spacing] [color]
 
asked by user182849 https://tex.stackexchange.com/landing/r/digest?cta=user&id=182849 Score of 5
answered by Miyase https://tex.stackexchange.com/landing/r/digest?cta=user&id=267211 Score of 12
8.51.1.6 How to well close a lindenmayer curve from TikZ?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=652333

I would like to know why the closed curve has that strange join at the start-end point. 
I see that the rounded corners affect it but how to get a nice closed curve in this case? 
\documentclass[border=... 
[tikz-pgf] [lindenmayer]
 
asked by Sigur https://tex.stackexchange.com/landing/r/digest?cta=user&id=14757 Score of 5
8.51.1.7 I can't understand why the third column (N) has different width from the rest

https://tex.stackexchange.com/landing/r/digest?cta=question&id=652426

I tried using \! or \hspace{-1em}. 
Here is a minimum working example: 
\documentclass[]{article} 
\usepackage{multirow} 
\usepackage{booktabs} 
\usepackage{xcolor,colortbl} 
\newcolumntype{?}[1]{!{\vrule ... 
[column-width]
 
asked by Pedro Fontanarrosa https://tex.stackexchange.com/landing/r/digest?cta=user&id=171383 Score of 5
answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 8