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Fast math typesetting for the web.

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This pull request fixes the issue where numerical outputs in KaTeX unit rendering showed excessive decimal digits. The updated code ensures that numbers are rounded to a fixed precision (for...

### Summary This PR updates the CLI import for `commander` to be compatible with newer Commander.js versions and fixes minor lint spacing so the pre-commit hook passes. **Changes** - Replace...

Replace Array.indexOf() with Set.has() for endOfExpression checks to improve parser performance. Changes: - Convert endOfExpression from string[] to Set - Replace indexOf() !== -1 check with has() method Performance improvement:...

> Before reporting a bug - [x] Check [common issues](https://katex.org/docs/issues.html). - [x] Check the bug is reproducible in [the demo](https://katex.org). If not, check KaTeX is up-to-date and installed correctly. -...

bug

In these case, it cannot show exactly. 1、I_s(\\mathbf{\\Phi}) = \\log\\det\\left(\\mathbf{I} + \\mathbf{A}(\\boldsymbol{\\theta})\\mathbf{\\Phi}\\mathbf{A}^H(\\boldsymbol{\\theta})\\mathbf{R}_n^{-1}\\right) 2、I_{c,k}(\\mathbf{\\Phi}) = \\log\\det\\left(\\mathbf{I} + \\mathbf{H}_k\\mathbf{\\Phi}\\mathbf{H}_k^H(\\sigma_{k}^2\\mathbf{I} + \\sum_{j \\neq k}\\mathbf{H}_k\\mathbf{\\Phi}\\mathbf{H}_j^H)^{-1}\\right) 3、\\mathcal{D}_{KL}(\\mathbf{\\Phi}) = \\mathbb{E}_{H_1}\\left[\\log\\frac{p(\\mathbf{y}|\\mathbf{s}, H_1)}{p(\\mathbf{y}|\\mathbf{s}, H_0)}\\right] 4、I_s^{ext}(\\mathbf{\\Phi}) = \\sum_{p=1}^P \\log\\det\\left(\\mathbf{I}...

bug

In these case, it cant

bug

In these case, it cannot show exactly. 1、 I_s(\\mathbf{\\Phi}) = \\log\\det\\left(\\mathbf{I} + \\mathbf{A}(\\boldsymbol{\\theta})\\mathbf{\\Phi}\\mathbf{A}^H(\\boldsymbol{\\theta})\\mathbf{R}_n^{-1}\\right) 2、 I_{c,k}(\\mathbf{\\Phi}) = \\log\\det\\left(\\mathbf{I} + \\mathbf{H}_k\\mathbf{\\Phi}\\mathbf{H}_k^H(\\sigma_{k}^2\\mathbf{I} + \\sum_{j \\neq k}\\mathbf{H}_k\\mathbf{\\Phi}\\mathbf{H}_j^H)^{-1}\\right) 3、 \\mathcal{D}_{KL}(\\mathbf{\\Phi}) = \\mathbb{E}_{H_1}\\left[\\log\\frac{p(\\mathbf{y}|\\mathbf{s}, H_1)}{p(\\mathbf{y}|\\mathbf{s}, H_0)}\\right] 4、...

bug

**Describe the bug:** When we use \tfrac in power, it does not work. **To Reproduce:** Use this expression to render and you won't see any difference with \tfrac here. `\dfrac{1}{2}...

bug

Currently, we have functions like "\blue", which produce things in line with KA exercise colors, but these colors shouldn't be enforced/available for everyone. Instead, we should make a way to...

enhancement
good first issue

- [x] Check [common issues](https://katex.org/docs/issues.html). - [x] Check the bug is reproducible in [the demo](https://katex.org). If not, check KaTeX is up-to-date and installed correctly. - [x] Search for [existing issues](https://github.com/KaTeX/KaTeX/issues)....

bug