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* Document mhchem \cf not supported (use \ce instead) * Mention \cf -> \ce in support table
22 lines
1.0 KiB
Markdown
22 lines
1.0 KiB
Markdown
# mhchem extension
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This extension adds to KaTeX the `\ce` and `\pu` functions from the [mhchem](https://mhchem.github.io/MathJax-mhchem/) package.
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### Usage
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This extension isn't part of core KaTeX, so the script should be separately included. Write the following line into the HTML page's `<head>`. Place it *after* the line that calls `katex.js`.
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```html
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<script src="https://cdn.jsdelivr.net/npm/katex@0.10.2/dist/contrib/mhchem.min.js" integrity="sha384-oa0lfxCGjaU1LdYckhq8LZcP+JTf8cyJXe69O6VE6UrShzWveT6KiCElJrck/stm"></script>
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```
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### Syntax
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See the [mhchem Manual](https://mhchem.github.io/MathJax-mhchem/) for a full explanation of the input syntax, with working examples. The manual also includes a demonstration box.
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Note that old versions of `mhchem.sty` used `\cf` for chemical formula and `\ce` for chemical equations, but `\cf` has been deprecated in place of `\ce`. This extension supports only `\ce`. You can define a macro mapping `\cf` to `\ce` if needed.
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### Browser Support
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This extension has been tested on Chrome, Firefox, Opera, and Edge.
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