Clarify enabling of mermaid feature (#3148)

Add some clarification on how to enable mermaid.

---------

Signed-off-by: George Araújo <george.gcac@gmail.com>
Co-authored-by: George Araújo <george.gcac@gmail.com>
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Stefan de Lange 2025-11-17 02:31:01 +01:00 committed by GitHub
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2 changed files with 12 additions and 2 deletions

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@ -284,7 +284,7 @@ To remove the repositories, you can:
### You can also remove pages through commenting out front-matter blocks
For `.md` files in [\pages](pages/) directory, if you do not want to completely edit or delete them but save for later use, you can temporarily disable these variables. But be aware that Jekyll only recognizes front matter when it appears as uncommented. The layout, permalink, and other front-matter behavior are disabled for that file.
For `.md` files in [\pages](_pages/) directory, if you do not want to completely edit or delete them but save for later use, you can temporarily disable these variables. But be aware that Jekyll only recognizes front matter when it appears as uncommented. The layout, permalink, and other front-matter behavior are disabled for that file.
For example, books.md do:

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@ -9,7 +9,17 @@ mermaid:
zoomable: true
---
This theme supports generating various diagrams from a text description using [mermaid](https://mermaid-js.github.io/mermaid/){:target="\_blank"}. Previously, this was done using the [jekyll-diagrams](https://github.com/zhustec/jekyll-diagrams){:target="\_blank"} plugin. For more information on this matter, see the [related issue](https://github.com/alshedivat/al-folio/issues/1609#issuecomment-1656995674). To disable the zooming feature, set `mermaid.zoomable` to `false` in this post frontmatter.
This theme supports generating various diagrams from a text description using [mermaid](https://mermaid-js.github.io/mermaid/){:target="\_blank"}. Previously, this was done using the [jekyll-diagrams](https://github.com/zhustec/jekyll-diagrams){:target="\_blank"} plugin. For more information on this matter, see the [related issue](https://github.com/alshedivat/al-folio/issues/1609#issuecomment-1656995674).
To enable mermaid, you have to put the following in this post frontmatter:
```yml
mermaid:
enabled: true
zoomable: true
```
To disable the zooming feature, set `mermaid: zoomable` to `false`.
## Mermaid