# Tag Info

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
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

### 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

### 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

### 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
Accepted

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: ... • 50.3k 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. • 120k 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. $$\require{AMScd} \begin{CD} H \otimes M @>{\rho}>> M @>{\delta}>> H \otimes M \\ @V{\Delta^2 \otimes \delta}VV @. @AA{m^2 \otimes \rho}A \\ H^{\... 5 votes Accepted ### How do I create a link to a MSE post? Please provide detail. How does the following change if I want to reference a posted Math Stack Exchange question or page? If you want to reference a Math Stack Exchange question in a post it suffices to paste the ... • 41.1k 5 votes Accepted ### How are **bold** and *italics* presented in comments? In Markdown help - comment formatting you can read that Comments support only bold, italic, code and links; in addition, a few shorthand links are available. ... • 50.3k 5 votes ### Table rendering in preview but not in finished post Dietrich's suggestion in the comments also got me to a more central post at meta: Markdown table preview does not detect missing blank line before table header 4 votes Accepted ### How to make a gray background for questions The Markdown Help Page, is useful for editing tricks that are not MathJax related. It mentions in Simple Blockquotes that putting > in front of a line creates a ... • 330k 4 votes ### Changing font size in stack overflow? you could use simple # but only for headers/one full line. "### Text" Text "## Text" Text "# Text" Text *answer here for others, ... • 111 4 votes ### Formatting Sandbox No downvotes! \hskip -3.5em \color{red}{\Rule{3em}{4.5em}{0em}} \overset{\cdot\cdot}\smile$$ \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
Line break within math mode. $$x + y = 2\\x - y = 4$$ Output: $$x + y = 2\\x - y = 4$$