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Theming: explain how to set ANSI codes directly #109

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11 changes: 11 additions & 0 deletions src/content/docs/guide/theming.mdx
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Expand Up @@ -85,6 +85,17 @@ the following are valid color names:
* `teal`
* `powderblue`

You can also express colors through Crossterm-supported strings, prefixed by `@`.
For example,

* `@ansi_(123)`
* `@dark_yellow`

While there is not currently an official reference, you can see examples in the
[crossterm tests](https://docs.rs/crossterm/latest/src/crossterm/style/types/color.rs.html#376).
As this is passed straight to Crossterm, using [ANSI codes](https://www.ditig.com/256-colors-cheat-sheet)
can be helpful for ensuring your theme is compatible with 256-color terminals.

A theme file, say `my-theme.toml` can then be built up, such as:

```toml
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