Support KaTeX for fast math in HTML

[jgm]

https://github.com/Khan/KaTeX

[deltakam]

It does not seem to work by adding option '--katex'. Anyone has a solution?

[jgm]

Could you be more specific about the problem you're
having? What version of pandoc are you using?
Does the generated HTML contain the expected link
to katex.min.js?

+++ deltakam [Aug 02 16 13:58 ]:

It does not seem to work by adding option '--katex'. Anyone has a
solution?

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References

1. Support KaTeX for fast math in HTML #1626 (comment)
2. https://github.com/notifications/unsubscribe-auth/AAAL5N3Dkk5eI4RkpuRikGu0yQBGLpxCks5qb69hgaJpZM4CiMtA

[deltakam]

jgm:
Version: pandoc 1.17.2
I tried again to realize that katex works. However, whenever there is an error in an equation, any equations afterwards are not rendered. That's why I thought it does not work. Would it be due to Katex itself?

[anibali]

I am able to use Katex with Pandoc 1.17.2, but the output file is gigantic (~3 MB) and takes an extremely long time to generate. It also has a tendency to crash the browser. I think the cause is the many fonts which are embedded from Katex's CSS file. I can't really see anything you can do about this, but just thought I'd leave this here for anyone interested. It's a bit of a shame since it would make a great alternative to MathJax for self-contained output.

[cagix]

Same here: Pandoc 1.17.2 and -t html5 --self-contained --katex produces after quite a pause for reflection a huge HTML. It seems, that is the price for having a self contained HTML file ...

I just checked: Katex itself is quite small: katex.min.css 21 kB, katex.min.js 116 kB. The fonts folder however is about 2.1 MB ...

@jgm Is there an alternative to --self-contained in the way, that all local files/dependencies (e.g. figures) will be embedded in the HTML but Katex/MathJax will be included just as link to the repository?