9.25.1 Top new questions this week

9.25.1.1 Why is a "TeX point" slightly larger than an "American point"?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683145

On p. 58 of The TeXBook, Dr. Knuth wrote: 
The units have been defined here so that precise conversion to sp is 
efficient on a wide variety of machines. In order to achieve this, 
TeX's "pt" ... 
[tex-history]
 

asked by Taro Yamamoto https://tex.stackexchange.com/landing/r/digest?cta=user&id=295205 Score of 16

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 19

9.25.1.2 Math symbol "an arrow pierces the heart"

https://tex.stackexchange.com/landing/r/digest?cta=question&id=682886

Can anyone help me create a new math symbol like in the picture below please? 
I wanna use it as a binary relation symbol: A^<<a heart pierced by an arrow from left to rightA^>> for A^<<A is in love with BA^>>. 
... 
[macros] [symbols] [math-operators] [relation-symbols]
 

asked by Pavel https://tex.stackexchange.com/landing/r/digest?cta=user&id=295030 Score of 13

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 17

9.25.1.3 Draw a rectangle with partly invisible edges, only corners

https://tex.stackexchange.com/landing/r/digest?cta=question&id=682816

I want to create the following: 
That is, a rectangle with partly invisible edges. 
How can I do that? 
What I have now: 
\documentclass{article} 
\usepackage{tikz} 
\begin{document} 
\begin{tikzpicture} 
\... 
[tikz-pgf] [tikz-node]
 

asked by tush https://tex.stackexchange.com/landing/r/digest?cta=user&id=180429 Score of 7

answered by CarLaTeX https://tex.stackexchange.com/landing/r/digest?cta=user&id=101651 Score of 9

9.25.1.4 Theorem/Example numbering in LaTeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683042

I want Theorem/Example with the following numbers: 
Theorem 1.1. 
Example 1.2.1. 
Example 1.2.2. 
Theorem 1.3. 
However, I am only able to obtain: 
Theorem 1.1. 
Example 1.1.1. 
Example 1.1.2. 
Theorem 1.2. 
... 
[numbering] [theorems] [counters]
 

asked by Kevin Zheng https://tex.stackexchange.com/landing/r/digest?cta=user&id=293033 Score of 6

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 5

9.25.1.5 What's wrong with the xwatermark package?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683121

On a relatively old MacTeX distribution (2015), the following code was compiling fine without any issue.  But with the latest MacTeX, it doesn't compile well anymore.  I'm getting some mysterious ... 
[warnings] [mactex] [compilation-error] [xwatermark]
 

asked by Cham https://tex.stackexchange.com/landing/r/digest?cta=user&id=139556 Score of 5

answered by User23456234 https://tex.stackexchange.com/landing/r/digest?cta=user&id=278534 Score of 8

9.25.1.6 Replicating MS Word Table Style

https://tex.stackexchange.com/landing/r/digest?cta=question&id=682944

\documentclass{article} 
\usepackage[utf8]{inputenc} % 'cp1252'-Western, 'cp1251'-Cyrillic, etc. 
\usepackage[a4paper, left=1in, right=1in, top=1in, bottom=1in]{geometry} 
\usepackage[english]{babel} % '... 
[tables] [color]
                                                                                  

                                                                                  
 

asked by Arnab Maitra https://tex.stackexchange.com/landing/r/digest?cta=user&id=294946 Score of 5

answered by Fran https://tex.stackexchange.com/landing/r/digest?cta=user&id=11604 Score of 6

9.25.1.7 Why can't I use the Euro symbol (a^\202!) with siunitx?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=682799

I was just trying to define my own Euro (a^\202!) unit with \DeclareSIUnit{\myeuro}{a^\202!}, but couldn't get it to work. In the process I made the following MWE with a few different attempts that all don't seem ... 
[symbols] [siunitx] [eurosym]
 

asked by MaxD https://tex.stackexchange.com/landing/r/digest?cta=user&id=45734 Score of 5

answered by hair-splitter https://tex.stackexchange.com/landing/r/digest?cta=user&id=123653 Score of 8