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Update syntax tree viewer docs #18957

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Jan 18, 2025
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Update syntax tree viewer docs #18957

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16 changes: 9 additions & 7 deletions docs/dev/README.md
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Expand Up @@ -154,19 +154,21 @@ There are also several VS Code commands which might be of interest:

* `rust-analyzer: Status` shows some memory-usage statistics.

* `rust-analyzer: Syntax Tree` shows syntax tree of the current file/selection.

* `rust-analyzer: View Hir` shows the HIR expressions within the function containing the cursor.

You can hover over syntax nodes in the opened text file to see the appropriate
rust code that it refers to and the rust editor will also highlight the proper
text range.
* If `rust-analyzer.showSyntaxTree` is enabled in settings, `Rust Syntax Tree: Focus on Rust Syntax Tree View` shows the syntax tree of the current file.

You can click on nodes in the rust editor to go to the corresponding syntax node.

You can click on `Reveal Syntax Element` next to a syntax node to go to the corresponding rust code and highlight the proper text range.

If you trigger Go to Definition in the inspected Rust source file,
the syntax tree read-only editor should scroll to and select the
the syntax tree view should scroll to and select the
appropriate syntax node token.

![demo](https://user-images.githubusercontent.com/36276403/78225773-6636a480-74d3-11ea-9d9f-1c9d42da03b0.png)
You can click on `Copy` next to a syntax node to copy a text representation of the node.

![demo](https://github.com/user-attachments/assets/2d20ae87-0abf-495f-bee8-54aa2494a00d)
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How did you make this URL?

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I edited the markdown file on the github website, and dragged in the video file.
https://github.blog/news-insights/product-news/video-uploads-available-github/

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Oh, this is interesting. The link you get when you paste an image doesn't have that annoying JWT, and probably doesn't expire.


## Profiling

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