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Questions tagged [mathjax]

Bug reports and suggestions for the MathJax system used to compile basic LaTeX code on the site.

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Why do `* *`s and `** **`s stop being recognised at some point, and how can I fix the resulting inadvertent vandalism?

I recently submitted an edit to Another notion of exactness: how to refine it, and where does it fit? to replace hand-rolled commutative diagrams with AMScds, since ...
LSpice's user avatar
  • 11.7k
5 votes
1 answer
443 views

What is a supported use of \hfill?

According to Supported TeX/LaTeX commands, \hfill is supported. However, as expected, it doesn't work in ordinary text \hfill ; and using it in math mode seems to ...
LSpice's user avatar
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5 votes
1 answer
949 views

Examples of MathJax codes of directed labelled graphs to use in a MathOverflow Question

I need some examples of MathJax codes of directed labelled (with loops or multiple edges) graphs to use in MathOverflow Questions so that I could easily change them to my graphs. Here is my try to ...
Alireza Abdollahi's user avatar
5 votes
1 answer
207 views

Backticks breaking MathJax in comments

The backticks that were used to circumvent MathJax problems on MO 1.0 were removed in questions and answers. However, it appears that the comments were not affected by this fix and thus display ...
Martin's user avatar
  • 1,287
5 votes
1 answer
133 views

Editor is not rendering the equations correctly

I haven't asked a question on Mathoverflow or Mathstackexchange but after while I decided to do so I have realized that the editor has got significantly worse. First of all it is significantly slower ...
user127776's user avatar
  • 5,861
5 votes
0 answers
82 views

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 $\{x\}$, ...
Dominic van der Zypen's user avatar
5 votes
1 answer
271 views

Long display style formulae extend too much to the right with some renderers

In the following screen capture, take a look at the region delimited by the red rectangle: notice how it extends too much to the right, such that a part of it becomes hidden by the yellow page element....
Alex M.'s user avatar
  • 5,355
5 votes
0 answers
145 views

How can I see the line length available for long mathematical expressions in posting on MO?

In typing up a question (or answer) on MO, I try to format a long mathematical expression so that it fits in one line. When I meet with apparent success, as shown in the wysiwyg box underneath the box ...
John Bentin's user avatar
  • 2,437
5 votes
0 answers
106 views

Screwed up LaTeX when presenting edited posts for approval [duplicate]

In about one of every 4 cases when I am asked to approve an edit, the comparison page that shows the suggested edits suffers from incorrect rendering of LaTeX, which often makes both the original and ...
fedja's user avatar
  • 60.6k
5 votes
2 answers
474 views

Adding \LaTeX to old questions and answers

Maybe some context in the beginning. It is my second year in university so I am far away to be good enough to answer questions here, but from time to time I enjoy reading questions and answers. I ...
Dominic Michaelis's user avatar
4 votes
1 answer
214 views

A MathJax/LaTeX question

In This question, the following appears: $$[0,2] \times \left[0,4-\sqrt{3}\right] \times \left[0,4-\sqrt{3}\right] \times \mathop{\Large\times}_{i=1}^{k-3}[0,2]$$ Thinking that that last $\times$ ...
Michael Hardy's user avatar
4 votes
2 answers
277 views

TeX bug: \mod and \pmod gone

It appears that the MO TeX does not understand macros \mod and \pmod any more; it used not to be the case. As a result for many questions the typesetting is broken.
Dima Pasechnik's user avatar
4 votes
1 answer
196 views

Latex software used by MO

What is the software used by MO to "render" Latex? Is it an outside solution or a software that has been written specifically? Interesting is that I understand that it doesn't produce images but texts ...
mathcounterexamples.net's user avatar
4 votes
1 answer
128 views

`\eqref` across posts

While editing @Ruy's answer to How can one define a kind of "determinant" on a reduced group $C^*$ algebra?, I tried to insert an \eqref to the equation ...
LSpice's user avatar
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4 votes
1 answer
347 views

Unbolding sans serif font in math mode

Is there a way to "unbold" the default text font (namely, sans serif) when written in math mode? Consider this example: Hello World$\qquad\textsf{Hello World}$ The first instance of "Hello World" is ...
Matemáticos Chibchas's user avatar
4 votes
1 answer
180 views

Double overline renders poorly, except in MathML

A post Mathematical formulation of beam: get stress/strain from forces and momentum uses \overline{\overline{…}}. The results below are mostly from Safari 16.1 on ...
LSpice's user avatar
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4 votes
2 answers
339 views

MathJax \newcommand appears persistent across the whole page

Probably this is known. MathJax \newcommand appears to be persistent across the whole page, including the question + all answers. This potentially might cause ...
joro's user avatar
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4 votes
0 answers
221 views

A mathjax issue with stars in super/subscripts

I encountered Topos associated to a category with glowing-red \*s in it. When trying to edit them out I discovered that whenever I try to replace an ...
მამუკა ჯიბლაძე's user avatar
4 votes
0 answers
156 views

Why doesn't the prime in $\sum_n'$ sit flush against the summation symbol?

The TeX snippets $\sum_n'$ \sum_n' and $\sum_n^\prime$ \sum_n^\prime should (as with all things TeX, barring trickery) be ...
LSpice's user avatar
  • 11.7k
4 votes
0 answers
70 views

MathJax in edited question title gets badly mis-parsed in diff view

A recent question received an edit to its MathJax, including in the title. Viewing the diff in the edit history, the edited MathJax in the title gets very badly mis-parsed in the diff view, as shown ...
Peter LeFanu Lumsdaine's user avatar
4 votes
0 answers
81 views

Limits on overflowed integrals are too far away from the integral sign

I edited Multiplying divergent integrals using Hardy fields approach to put equations clearly meant to be displayed in display mode. Once I did so, one of the equations exhibited very strange spacing,...
LSpice's user avatar
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4 votes
0 answers
70 views

Occasionally reproducible bug with macro definitions in a draft post affecting macro use in comments

In the course of a discussion involving using MathJax to re-define macros, I couldn't recall if MathJax obeys a \newcommand for an already-defined macro, and so ...
LSpice's user avatar
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4 votes
0 answers
183 views

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 ...
David E Speyer's user avatar
4 votes
0 answers
106 views

Garbled MathJax in a link to a question with MathJax in the title

The following occurs on my activity page: The question it links to is Is there an explicit expression for Chebyshev polynomials modulo $x^r-1$? and it seems that the MathJax in the end somehow got ...
მამუკა ჯიბლაძე's user avatar
4 votes
0 answers
203 views

Wrong rendering in narrow width in Safari

When I view the front page right now in Safari, I see: Notice that the question mark, which the poster properly placed at the end of the equation (see the question (before another edit removed the ...
LSpice's user avatar
  • 11.7k
4 votes
0 answers
103 views

Where is the canonical place to submit Mathjax bug reports?

For example, here is an issue I've been having with Chrome on a Nexus tablet.
Peter McNamara's user avatar
3 votes
1 answer
560 views

Writing a bar on top of a number

I want to write a question in which I have a bar on top of a number or letter to represent a recurring digit. however, I can't find any options to write the particular digit, even when I search the ...
Super Coder's user avatar
3 votes
2 answers
365 views

MathJax equivalent of `<strike></strike>`

I recently tried to edit an old question x-th moment method that had got bumped to the front page for other reasons. The post had an equation that was meant to be, and maybe at one point was, struck ...
LSpice's user avatar
  • 11.7k
3 votes
1 answer
122 views

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 ...
LSpice's user avatar
  • 11.7k
3 votes
1 answer
330 views

What is the position on titles using \displaystyle, \dfrac, etc.?

I am much more familiar with math.SE. On that site there are explicit guidelines about LaTeX in titles and things like \displaystyle, ...
Martin Sleziak's user avatar
3 votes
1 answer
143 views

LaTeX display of exponential pushed down with respect to baseline

This is hardly important, but ... In an answer, I used the LaTeX O(n \epsilon^{1-d}) to display $O(n \epsilon^{1-d})$, but this is what it looks like to me (in ...
Joseph O'Rourke's user avatar
3 votes
1 answer
97 views

Integral sign cut off in Safari

I am using Safari version 16.1 with the HTML-CSS renderer. A displayed formula in the post Convergence by parameter involving inf renders as follows: This happens even with extensions disabled, but ...
LSpice's user avatar
  • 11.7k
3 votes
1 answer
114 views

`\DeclareMathOperator` at the beginning of a comment disables some link parsing

In a comment of the form $\DeclareMathOperator\a{a}$Here's a [link](http://mathoverflow.net) and [another link](http://mathoverflow.net) $\a$, neither link is ...
LSpice's user avatar
  • 11.7k
3 votes
1 answer
225 views

Seems like right margins in answer texts need to be increased

It is a very minor thing but still - it seems that answer texts have zero right margin which shows somehow unpleasantly with colored background of accepted answers: (This is with latest Chrome on ...
მამუკა ჯიბლაძე's user avatar
3 votes
0 answers
82 views

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 ...
Lawton's user avatar
  • 105
3 votes
0 answers
263 views

mathcal notation fails to render in Chrome

I recently noticed that "\mathcal" no longer renders. Example post but it renders fine in Safari Chrome: 111.0.5563.146 (Official Build) (x86_64) Safari: Version 16.4 (18615.1.26.11.22) ...
Yaroslav Bulatov's user avatar
3 votes
0 answers
156 views

In Safari on macOS, a numbered list beginning with a displayed equation swallows the number

This bug report did not originally mention the platform and the renderer. I originally put them at the end, but it occurs to me that they're more useful up front. Thanks to @DavidRoberts and @...
LSpice's user avatar
  • 11.7k
3 votes
0 answers
71 views

AMScd columns not aligning

The code \require{AMScd}\begin{CD} 0 @>>> \mathbf D(C) \\ 0 @>>> M \end{CD} produces $$\require{AMScd}\begin{CD} 0 @>>> \mathbf D(C) \\ ...
LSpice's user avatar
  • 11.7k
3 votes
0 answers
193 views

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 <...
LSpice's user avatar
  • 11.7k
3 votes
0 answers
64 views

Math-mode formula in comment breaks incorrectly across lines

In the following comment, both summands should appear before the period: The source for the comment is: ...
LSpice's user avatar
  • 11.7k
3 votes
0 answers
208 views

Seems to be a (minor) bug with displaying mathjax

Hardly noticeable but I still decided to report it - just noticed: at Find the number of boolean functions of n variable that satisfy the following condition one sees this The second $k$ below is ...
მამუკა ჯიბლაძე's user avatar
3 votes
0 answers
47 views

Review suggestions MathJax [duplicate]

Can we please turn on MathJax in "Rendered output" of "Suggested edits"? Or am I not qualified unless I can read raw LaTeX?
Boris Bukh's user avatar
  • 7,786
2 votes
1 answer
50 views

MathJax ignores a `\tag` in an `{equation}` containing a `{split}`

The following snippet, when compiled as part of a LaTeX document with appropriate packages loaded, would produce a numbered (well, \tagged) equation: ...
LSpice's user avatar
  • 11.7k
2 votes
1 answer
172 views

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 discrepancies—and that, in particular, non-esoteric ...
LSpice's user avatar
  • 11.7k
2 votes
1 answer
139 views

Garbled MathJax in some old questions [duplicate]

In several old questions/answers I have seen in MathJax the combination \\, where it obviously should be \, and also ...
მამუკა ჯიბლაძე's user avatar
2 votes
2 answers
172 views

No MathJax line wrapping in Firefox

Example: Chrome, for comparison: Happens on Windows 10, both browsers are up to date. Should I use the bug tag? Does anybody else encounter this? Can it be something on my side? After the question ...
მამუკა ჯიბლაძე's user avatar
2 votes
0 answers
69 views

How do backticks, escaped backticks, and math mode interact, in posts and comments?

I know I can escape backticks, like `. I though I could escape backticks within backticks, as I did in a comment, but it's not working here: a\b`. See a comment ...
LSpice's user avatar
  • 11.7k
2 votes
0 answers
98 views

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 ...
LSpice's user avatar
  • 11.7k
2 votes
0 answers
62 views

Badges appear to have disappeared [duplicate]

It looks like badges are no longer showing on users when browsing questions/answers: The badges appear while the pages loads, but as soon as the mathjax fully loads, they disappear. Checking other SE ...
caird coinheringaahing's user avatar
2 votes
0 answers
412 views

A super easy way to speed up MathJax loading with LocalCDN add-on

I found a very neat way to speed up MathJax execution times and I thought about sharing it with everyone here. Typically whenever I start my browser I have to load up all of these MathJax resources ...
user153330's user avatar