# Features

* This bot renders messages containg LaTeX code. LaTeX code is rendered by KaTeX.

* Any message containing at least a pair of dollar signs $ or \begin will be rendered as a PNG image.

* The bot can handle picture or tikzpicture environment.

* This bot also supports Markdown syntax : headers, lists, **bold text**, *italic text*, ...

* The bot's reply is updated/deleted when the author's message is updated/deleted.

* Each user can specify personal [katex options](https://katex.org/docs/options.html) with the command `!katex gistid` where `gistid` is the id of a public gist containing a JSON object.

为Carl Friedrich投票

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