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feat: Support \vcenter and \hbox (#2452)

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* Support \vcenter, \raise, \lower, and \hbox

* Update screenshots

* Edit docs for strict and hbox to

* Fix typo for \hbox to

* Update Safari screenshot

* Augment docs for \vcentcolon

* Edit vcenter MathML comment.

* Remove pointless class from vcenter MathML

* Withdraw \raise and \lower

* Updatae Chrome and Firefox screenshots

* Update Safari screenshot

* Delete allowedInArgument setting

Co-authored-by: ylemkimon <y@ylem.kim>

* Update Chrome and Firefox screenshots

* Update Chrome and Firefox screenshots take 2

* Update screenshot

Co-authored-by: ylemkimon <y@ylem.kim>
This commit is contained in:
Ron Kok
2020-11-14 01:45:14 -08:00
committed by GitHub
parent ebd86b90c4
commit 60aecbdfe2
16 changed files with 169 additions and 10 deletions
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docs/supported.md
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@@ -236,11 +236,14 @@ In display math, KaTeX does not insert automatic line breaks. It ignores display
||||
|:--------------|:----------------------------------------|:-----
|$x_n$ `x_n` |$\stackrel{!}{=}$ `\stackrel{!}{=}` |$a \atop b$ `a \atop b`
|$e^x$ `e^x` |$\overset{!}{=}$ `\overset{!}{=}` |$a\raisebox{0.25em}{b}c$ `a\raisebox{0.25em}{b}c`
|$_u^o $ `_u^o `|$\underset{!}{=}$ `\underset{!}{=}` | $$\sum_{\substack{0<i<m\\0<j<n}}$$ `\sum_{\substack{0<i<m\\0<j<n}}`
|$x_n$ `x_n` |$\stackrel{!}{=}$ `\stackrel{!}{=}`| $a \atop b$ `a \atop b`
|$e^x$ `e^x` |$\overset{!}{=}$ `\overset{!}{=}` | $a\raisebox{0.25em}{$b$}c$ `a\raisebox{0.25em}{$b$}c`
|$_u^o $ `_u^o `| $\underset{!}{=}$ `\underset{!}{=}` | $a+\left(\vcenter{\frac{\frac a b}c}\right)$ `a+\left(\vcenter{\hbox{$\frac{\frac a b}c$}}\right)`
||| $$\sum_{\substack{0<i<m\\0<j<n}}$$ `\sum_{\substack{0<i<m\\0<j<n}}`
The second argument of `\raisebox` can contain math if it is nested within `$…$` delimiters, as in `\raisebox{0.25em}{$\frac a b$}`
`\raisebox` and `\hbox` put their argument into text mode. To raise math, nest `$…$` delimiters inside the argument as shown above.
`\vcenter` can be written without an `\hbox` if the `strict` rendering option is *false*. In that case, omit the nested `$…$` delimiters.
### Overlap and Spacing