Allow `since="version"` metadata attribute outside the standard library
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Description
Other crates may wish to document their long term development across versions.
Seems like a very small change to allow any crate to use the attribute, and rustdoc already know how to process it.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing how rustdoc handles the since="version" metadata attribute and where its use is restricted to the standard library. Confirm what validation prevents other crates from using it, then verify that external crate documentation can use the attribute and that rustdoc still processes it correctly.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- documentation
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100