8.44.1 Top new questions this week

8.44.1.1 How to insert pilcrow A^\[Paragraph] at the start of each paragraph automatically
8.44.1.2 How to write correctly $ . $
8.44.1.3 Enumeration of sqrt signs
8.44.1.4 What is the difference between \cdots and \dotsm?
8.44.1.5 What does `NewDocumentCommand \sidenote   o o +m  ` mean?
8.44.1.6 Weird small indentation after formula
8.44.1.7 The letter 'i' in small capital, boldface and italic with "newpxtext"
8.44.1.1 How to insert pilcrow A^\[Paragraph] at the start of each paragraph automatically

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649763

For debugging purposes, how can I have A^\[Paragraph] at the start of each paragraph automatically? (By paragraph I don't mean the \paragraph command, but simply two blocks of text separated by a blank line, as in ... 
[paragraphs] [latex3]
 
asked by Ingmar https://tex.stackexchange.com/landing/r/digest?cta=user&id=26614 Score of 17
answered by Max Chernoff https://tex.stackexchange.com/landing/r/digest?cta=user&id=270600 Score of 15
8.44.1.2 How to write correctly $ . $

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649986

I'm sure this question is a duplicate, but I can't find the main question. 
If I write $|.|$ it doesn't appear with in my textbook, I wonder what is the correct way to do it.  I'm using it to try to ... 
[math-mode]
 
asked by Luis Alexandher https://tex.stackexchange.com/landing/r/digest?cta=user&id=223989 Score of 8
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 10
8.44.1.3 Enumeration of sqrt signs

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649556

I need to enumerate \sqrt signs as shown in the picture below 
but have no idea how to do it. 
I wonder if anyone could help. Thanks 
[enumerate] [sqrt]
                                                                                  

                                                                                  
 
asked by Jason https://tex.stackexchange.com/landing/r/digest?cta=user&id=273697 Score of 8
answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 Score of 11
8.44.1.4 What is the difference between \cdots and \dotsm?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649981

\cdots and \dotsm, which I presume to stand for center dots and dots for multiplication, are both three dots in the middle of the line. I don't see the difference between them, and which is better to ... 
[amsmath]
 
asked by Enderman https://tex.stackexchange.com/landing/r/digest?cta=user&id=214490 Score of 7
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 16
8.44.1.5 What does `NewDocumentCommand \sidenote   o o +m  ` mean?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649579

I have obviously missed some updated information about specifying LaTeX commands What I am used to is along the lines of 
\newcommand{<command-name>}[<numargs>][<default>]{<command ... 
[macros]
 
asked by Peter Wilson https://tex.stackexchange.com/landing/r/digest?cta=user&id=12082 Score of 7
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 7
8.44.1.6 Weird small indentation after formula

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649690

Normally, when you write text right after math mode, it prints with no indentation (that's the desired look), but with the following MWE, a small indentation appears 
\documentclass{article} 
\... 
[math-mode] [indentation]
 
asked by antshar https://tex.stackexchange.com/landing/r/digest?cta=user&id=213149 Score of 6
answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 Score of 5
8.44.1.7 The letter 'i' in small capital, boldface and italic with "newpxtext"

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649525

Using newpxtext under an Unicode engine. With \scshape\bfseries\itshape, the lowercased i becomes 
while with \scshape\itshape it is simply 
as expected. Is this by design or is this a bug? Is there ... 
[fonts] [fontspec]
 
asked by Jinwen https://tex.stackexchange.com/landing/r/digest?cta=user&id=194994 Score of 5
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 6