18 votes
Accepted

How to start new line on MSE?

There are three approaches for line breaks. As pointed out in the comments, Approaches 2 and 3 produce the same HTML output when rendered on the page. Approach 1: Press "Enter" twice Output: Hi ...
  • 17.3k
16 votes
Accepted

Is using blockquote for highlighting problematic?

A problem is that it is not a semantically correct use. At the moment the formatting used by SE on this site for block-quotes is such that optically its usage for emphasis makes sense. Yet, this ...
  • 41.1k
14 votes

How to colour long sentences without causing them to overflow and exceed the page?

Simple solution: don't abuse MathJax to colour your text.
  • 50.4k
11 votes

Proper use of italics when asking a question.

Use mathjax for mathematics, not for text formatting. The mathjax italics happen because mathjax thinks "abcde" is just a string of variables.
  • 82.3k
10 votes

Links in spoilers aren't hidden

I've gone an updated the CSS for spoilers - there was something overriding the spoiler CSS in this instance. With you in the next build (rev. 2017.3.14.*)
  • 101
10 votes
Accepted

Network-wide feature request to support MathJax in tables

So it seems that tables are now enabled here. Here is a CW-answer for testing how they work with MathJax. A header Another header Limit $\lim\limits_{x\to\infty} f(x)$ Matrix $\begin{pmatrix}1&...
9 votes
Accepted

typing star between brackets in text

Q1. With \tags and \labels: ...
  • 32.1k
8 votes
Accepted

Why doesn't [link description](URL) work for me in the comments?

When I look at the specific comment you linked to, I think that the only problems is that you did not include http:// at the beginning of the link. You wrote this: ...
7 votes
Accepted

Align text to right

This answer to a similar question (as linked to in the comments by Martin Sleziak) suggests the hack of $$\tag*{$\blacksquare$}$$, which looks like the following: ...
  • 28.2k
7 votes

How do I insert a table when asking a question?

(This is a CW answer, everybody is welcome to extend or improve it.) Markdown support for tables has been enabled network-wide, this offers an alternative to the MathJax/LaTeX ...
7 votes

How many variations of this grey background are there?

The former is a block quote the later is a spoiler. There is also preformatted text, which might qualify. It looks like this. ...
  • 41.1k
7 votes
Accepted

Table rendering in preview but not in finished post

Adding an extra empty line after the colon has fixed the problem. I am not sure why this works but have seen this before.
6 votes

How can I make separate sentences or paragraphs?

Line-breaks and paragraphs in comments are not supported. The shift-enter is intended only to affect the situation while you edit. It is possible to work around this restriction via using MathJax. ...
  • 41.1k
6 votes
Accepted

Spoiler and List problem

You can use a double space at the end of each line to force a newline: ...
  • 3,949
5 votes

Formatting Sandbox

What a lovely diagram. $$\require{AMScd} \begin{CD} H \otimes M @>{\rho}>> M @>{\delta}>> H \otimes M \\ @V{\Delta^2 \otimes \delta}VV @. @AA{m^2 \otimes \rho}A \\ H^{\...
5 votes
Accepted

How do I create a link to a MSE post? Please provide detail.

How does the following change if I want to reference a posted Math Stack Exchange question or page? If you want to reference a Math Stack Exchange question in a post it suffices to paste the ...
  • 41.1k
5 votes
Accepted

How are **bold** and *italics* presented in comments?

In Markdown help - comment formatting you can read that Comments support only bold, italic, code and links; in addition, a few shorthand links are available. ...
5 votes

Table rendering in preview but not in finished post

Dietrich's suggestion in the comments also got me to a more central post at meta: Markdown table preview does not detect missing blank line before table header
4 votes
Accepted

How to make a gray background for questions

The Markdown Help Page, is useful for editing tricks that are not MathJax related. It mentions in Simple Blockquotes that putting > in front of a line creates a ...
  • 330k
4 votes

Changing font size in stack overflow?

you could use simple # but only for headers/one full line. "### Text" Text "## Text" Text "# Text" Text *answer here for others, ...
  • 111
4 votes

Formatting Sandbox

No downvotes! $\hskip -3.5em \color{red}{\Rule{3em}{4.5em}{0em}}$ $\overset{\cdot\cdot}\smile$ $$ \require{action} \require{enclose} \toggle{ \quad\enclose{roundedbox}{\text{ Why I cannot see the ...
4 votes
Accepted

How do I copy weblinks to answers?

From what I can tell, your link contains an "en dash" between Sturm and Liouville, and it is this character that is causing the ...
  • 50.4k
4 votes

Can We Have Links in Tags?

What if I try $$ 2 + 2 = 4 \tag{\href{http://davidlowryduda.com}{davidlowryduda.com}}$$ $\href{http://google.com}{google.com}$ Nope. So the best I have is to use $$ 2 + 2 = 4, \tag{1}$$ (where the ...
  • 87.2k
4 votes

How to perform a line break?

Line break within math mode. $$ x + y = 2\\x - y = 4 $$ Output: $$ x + y = 2\\x - y = 4 $$
  • 99.7k

Only top scored, non community-wiki answers of a minimum length are eligible