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Update #[doc(html_playground_url)] documentation to mention what the request will be #97972

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Jun 11, 2022
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4 changes: 3 additions & 1 deletion src/doc/rustdoc/src/write-documentation/the-doc-attribute.md
Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,9 @@ on your documentation examples make requests to.
#![doc(html_playground_url = "https://playground.example.com/")]
```

Now, when you press "run", the button will make a request to this domain.
Now, when you press "run", the button will make a request to this domain. The request
URL will contain 2 query parameters: `code` and `edition` for the code in the documentation
and the Rust edition respectively.

If you don't use this attribute, there will be no run buttons.

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