31 votes

Formatting Sandbox

Testing alternate way of implementing spoiler $$ \require{action} \require{enclose} \toggle{ x\cdot 0 = 0\quad\enclose{roundedbox}{\text{ Click this for derivation }} }{ \begin{array}{rll} x\cdot 0 ...
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 ...
user avatar
  • 17.2k
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 ...
user avatar
  • 40.8k
13 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.
user avatar
  • 49.8k
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.
user avatar
  • 79.9k
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

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.*)
user avatar
  • 101
9 votes
Accepted

typing star between brackets in text

Q1. With \tags and \labels: ...
user avatar
  • 31.2k
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: ...
user avatar
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: ...
user avatar
  • 28k
7 votes

Formatting Sandbox

Move your mouse around each symbol to know which font was used: $$\require{action} \overset{\rlap{\overset{\,{\rlap{\overset{\overset{\overset{\color{red}{\rlap{\color{\green}{\,\,\star}}{\Rule{1em}{...
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. ...
user avatar
  • 40.8k
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.
user avatar
6 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 ...
6 votes
Accepted

how to post invisible solutions?

It seems to be that if you do >! at the beginning of a line, you get that. You could have found that out by clicking edit post and looking at the source. for example.
user avatar
  • 18.6k
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. ...
user avatar
  • 40.8k
6 votes
Accepted

Spoiler and List problem

You can use a double space at the end of each line to force a newline: ...
user avatar
  • 3,864
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

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 ...
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 ...
user avatar
  • 40.8k
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. ...
user avatar
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

Formatting Sandbox

Country Flags (to be put in your profile) Some codes are too long to fit in the location section, that's why I'm working on making less long codes. $\checkmark$ denotes ones that can fit in. Example:...
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 ...
user avatar
  • 49.8k

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