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Wrapping with \text{} creates strange overlapped output with tex-svg-full #2524

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zmoon opened this issue Sep 6, 2020 · 3 comments
Closed

Wrapping with \text{} creates strange overlapped output with tex-svg-full #2524

zmoon opened this issue Sep 6, 2020 · 3 comments
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Accepted Issue has been reproduced by MathJax team Fixed Test Needed v3 v3.1
Milestone
3.1.1

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@zmoon
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zmoon commented Sep 6, 2020 •
edited
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Issue Summary

Wrapping with \text{} creates strange overlapped output with tex-svg-full but not tex-svg.

Example:

\text{
This is an equation: $y = m\,x + b$; another: $e^{i \pi} = -1$. These are literal dollar signs: \$\$
}

With tex-svg-full (see full code below):
mathjax3_test_bad

With tex-svg:
mathjax3_test_good

Technical details:

  • MathJax Version: 3.0.5 (MathJax.version in console) but 3.1.0 in the "About MathJax" right-click menu
  • Client OS: Windows 10
  • Browser: Firefox 80.0

Supporting information:

code 
<!DOCTYPE html>
<html>
<head>
<title>MathJax TeX Test Page</title>
<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script type="text/javascript" id="MathJax-script" async
  src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg-full.js">
</script>
</head>
<body>

$$
\text{
This is an equation: $y = m\,x + b$; another: $e^{i \pi} = -1$. These are literal dollar signs: \$\$
}
$$

</body>
</html>
@zmoon zmoon mentioned this issue Sep 6, 2020
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@dpvc
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dpvc commented Sep 6, 2020

This is an error with the textmacros extension, which is included in the tex-svg-full component, but not tex-svg the component. Apparently there is a bug with it in the SVG output that I'm looking into. For now, you should be able to disable it using

<script>
MathJax = {
  tex: {
    packages: {'[-]': ['textmacros']}
  }
}

@dpvc dpvc added Accepted Issue has been reproduced by MathJax team Investigate v3 labels Sep 6, 2020
dpvc added a commit to mathjax/MathJax-src that referenced this issue Sep 6, 2020
@dpvc
Fix issue with textmacros in SVG mode. (mathjax/MathJax#2524)
c10a967
@dpvc dpvc mentioned this issue Sep 6, 2020
Merged
@dpvc dpvc added this to the 3.1.1 milestone Sep 6, 2020
dpvc added a commit to mathjax/MathJax-src that referenced this issue Sep 12, 2020
@dpvc
Merge pull request #549 from mathjax/issue2524
c3f88ed 
 Fix issue with textmacros in SVG mode. (mathjax/MathJax#2524)
@dpvc dpvc added Merged Merged into develop branch and removed Ready for Review labels Sep 12, 2020
@edemaine
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In case you need some more breaking tests for textmacros, I found the following, testing on the demo site:

$$\require{textmacros}hello + \text{\textbf{hello}}$$

renders correctly as:
image

$$\require{textmacros}hello + \text{hello}$$

renders correctly as:
image

$$\require{textmacros}hello + \text{hello \textbf{hello}}$$

renders incorrectly as:

image

@dpvc
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dpvc commented Sep 13, 2020

Thanks. I suspect it is related to the same issue, which must not be completely resolved. Sigh.

@dependabot dependabot bot mentioned this issue Sep 14, 2020
Merged
@zmoon zmoon mentioned this issue Sep 14, 2020
Merged
@dependabot-preview dependabot-preview bot mentioned this issue Sep 15, 2020
Merged
@dpvc dpvc added Fixed v3.1 and removed Merged Merged into develop branch labels Nov 30, 2020
@dpvc dpvc closed this as completed Nov 30, 2020
@dpvc dpvc mentioned this issue Dec 7, 2020
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@hixio-mh hixio-mh mentioned this issue Jan 22, 2021
Merged
@dpvc dpvc mentioned this issue Jan 31, 2021
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Accepted Issue has been reproduced by MathJax team Fixed Test Needed v3 v3.1
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Milestone
3.1.1
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@dpvc @edemaine @zmoon