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* Release v0.11.0 Bump master to v0.12.0-pre * update CHANGELOG.md * minor editors to CHANGELOG.md
48 lines
2.2 KiB
Markdown
48 lines
2.2 KiB
Markdown
---
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id: version-0.11.0-issues
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title: Common Issues
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original_id: issues
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---
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- Be sure to include `<!DOCTYPE html>` at the top of your HTML file, as
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otherwise your browser will render in "[quirks mode](https://developer.mozilla.org/en-US/docs/Web/HTML/Quirks_Mode_and_Standards_Mode)"
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which can cause KaTeX to sometimes render incorrectly.
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This header is needed even inside `<iframe>`s
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(which don't inherit the parent document's doctype).
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- Many Markdown preprocessors, such as the one that Jekyll and GitHub Pages use,
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have a "smart quotes" feature. This changes `'` to `’` which is an issue for
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math containing primes, e.g. `f'`. This can be worked around by defining a
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single character macro which changes them back, e.g. `{"’", "'"}`.
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- KaTeX follows LaTeX's rendering of `aligned` and `matrix` environments unlike
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MathJax. When displaying fractions one above another in these vertical
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layouts there may not be enough space between rows for people who are used to
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MathJax's rendering. The distance between rows can be adjusted by using
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`\\[0.1em]` instead of the standard line separator distance.
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- KaTeX does not support the `align` environment because LaTeX doesn't support
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`align` in math mode. The `aligned` environment offers the same functionality
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but in math mode, so use that instead.
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- MathJax defines `\color` to be like `\textcolor` by default; set KaTeX's
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`colorIsTextColor` option to `true` for this behavior. KaTeX's default
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behavior matches MathJax with its `color.js` extension enabled.
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## Troubleshooting
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To check the stylesheet (katex.css) is properly loaded, add following code to
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anywhere in the document:
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```html
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<style>
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.katex-version {display: none;}
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.katex-version::after {content:"0.10.2 or earlier";}
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</style>
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<span class="katex">
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<span class="katex-mathml">The KaTeX stylesheet is not loaded!</span>
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<span class="katex-version rule">KaTeX stylesheet version: </span>
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</span>
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```
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If it is loaded properly, it'll show its version. Make sure its version matches
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the version of the JavaScript file (katex.js), which is defined in `katex.version`.
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If it is not loaded properly, it'll show:
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> The KaTeX stylesheet is not loaded!
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