help: Replace dead link to function support wiki in KaTex.

Fixes #10091.
`https://github.com/Khan/KaTeX/wiki/Function-Support-in-KaTeX` has
been moved from the wiki to the docs at
https://khan.github.io/KaTeX/docs/supported.html in
https://github.com/Khan/KaTeX/pull/1484.
This commit is contained in:
Shubham Padia 2018-07-28 11:43:38 +05:30 committed by Tim Abbott
parent 4ba8015002
commit e276006d8c
1 changed files with 1 additions and 1 deletions

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@ -171,7 +171,7 @@ You can display mathematical symbols, expressions and equations using Zulip's
based on [KaTeX](https://github.com/Khan/KaTeX).
!!! tip ""
Visit the [KaTeX Wiki](https://github.com/Khan/KaTeX/wiki/Function-Support-in-KaTeX)
Visit the [KaTeX Wiki](https://khan.github.io/KaTeX/docs/supported.html)
to view a complete of compatible commands.
Surround elements in valid TeX syntax with `$$two dollar signs$$` to display it