# Questions tagged [markdown-preview]

Questions about the live Markdown preview of posts as they're being typed.

15
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### Missing brackets in $\{x\}$ in drafts, not missing in the final question/product

I am using the latest version of Firefox on Linux (bodhi linux) as well as Mac and Windows.
Some $\LaTeX$ is not typeset correctly in MathOverflow: whenever I type a set, like the singleton $\{x\}$, ...

2
votes

0
answers

67
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### Including a hash character (#) in a math equation causes it to not render (in new-question page)

I want to ask a question about a paper that uses this notation:
However, when I typeset it in MathJax with ...

0
votes

3
answers

262
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### How long are the lines?

I know that probably my place would be in a mental institution, but I'm a stickler about formatting my questions nicely.
For example, I like to start each sentence in a new line, and I don't like if a ...

2
votes

1
answer

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### Why would an equation render on preview and in an external TeX compiler, but not in post?

I know the general phenomenon is that rendering of previews differs from rendering of posts, but, presumably, the goal is to minimise unnecessary discrepanciesâ€”and that, in particular, non-esoteric ...

3
votes

1
answer

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### Why does a table work on preview but not on post?

In waterstreamer's recent post, they used a table to present the possible Jordan normal forms of a $3\times3$ matrix. As they comment, and I checked, the table looks just fine on preview, but ...

2
votes

0
answers

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### Some arrows in commutative diagrams in comments are wrongly interpreted as @-notifications; and a bonus question about CDs on MMO

I left the following comment on Pullbacks in this category of vector spaces are intersections:
Are the morphisms in your category isometries? Otherwise, I'm not sure why the category is left ...

3
votes

1
answer

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### Why is there unexpected space at the beginning of a paragraph in an answer?

In @GabeK's nice answer to @JonBannon's question Each mathematician has only a few tricks, there is unexpected space at the beginning of the third paragraph:
My first thought was that there might be ...

7
votes

0
answers

337
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### Can Mathjax preview be switched off?

I recently typed an answer with a few formulas in it. While I was typing, my browser constantly reloaded the preview part below the typing window. Because MathJax apparently does three passes over the ...

3
votes

0
answers

173
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### Braces are not rendered in MathJax in the preview of a question

I am using Firefox 94.0.1, with no user scripts. I have a few add-ons, which I can list if needed, but, since the behaviour does not always occur, they cannot always be interfering. My renderer is <...

9
votes

4
answers

701
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### How acceptable is prosemirror-math as an editor style for this site?

This is a follow-up to one of the possible answers to the recently-announced changes to the editor.
Prosemirror-math is a math editing framework that allows for direct editing of a rich-text preview. ...

8
votes

2
answers

179
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### Previewed post does not match rendered post when MathJax uses *

In revision 2 of Number of permutations in $S_{a + b}$ with $\operatorname{maj}(\pi) = b$ and $\operatorname{maj}(\pi^{-1}) = b$, I edited an equation that had been manually given the label ...

9
votes

0
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### Feature request: question title should appear above question preview

Just a minor niggle - when I'm reviewing my question, one of the things I want to review is the title. It would be nice if the title appeared just above the preview of my question, so I could review ...

49
votes

2
answers

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### Nudge: the new Stacks editor has significant implications for this site

You have probably seen already a link, on the Featured on Meta sidebar, to an announcement of an upcoming upgrade to the text editor on Stack Exchange, Opt-in alpha test for a new Stacks editor. As a ...

5
votes

0
answers

87
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### Dollar sign in image title works in preview, but not in actual post

I was just trying to clean up Understanding why $\pi_{3}(N) = \mathbb{Z}_{(2n, n^2)}$? , which was originally almost entirely cut-and-pasted images without any alternate text. For the first image, I ...

4
votes

0
answers

181
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### Preview failing to parse double backslash in large matrices?

A couple of times now, I've been entering a large matrix here or on math.SE and, in the preview window, all the rows appear on a single line. Once the question posts, it displays correctly. I most ...