mathjax / mathjax/MathJax

\sqrt is rendered semi-invisible when Firefox is configured with custom colors (while High Contrast theme is set on Windows OS)

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Accepted Address Later Browser Bug v3
Dominant language
JavaScript
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Description

(UPDATE) Math renderer: chtml (svg renders correctly)
(UPDATE) Windows 10 theme: any High Contrast theme (used for accessibility feature)
Mathjax: 3.1.0
Browser: Firefox 80.0.1
Browser colors: (Text: white; Background: black)
Expression: (\sqrt[3]{4})

Numbers inside the square brackets (indices) are rendered invisible.

screen

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the expression \sqrt[3]{4} with the CHTML renderer in Firefox using a Windows High Contrast theme and custom white-on-black colors. Inspect the CHTML rendering and its styles; done means the index is visible in Firefox while the existing SVG rendering remains correct.

Written by the indexing model from the issue text.

Assessment

Tech stack
css, html, javascript
Domain
accessibility, frontend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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