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Crates in this directory are published to [crates.io](https://crates.io) and obey semver.
They _could_ live in a separate repo, but we want to experiment with a monorepo setup.
+
+We use these crates from crates.io, not the local copies because we want to ensure that
+rust-analyzer works with the versions that are published. This means if you add a new API to these
+crates, you need to release a new version to crates.io before you can use that API in rust-analyzer.
+
+To release new versions of these packages, change their version in Cargo.toml. Once your PR is merged into master a workflow will automatically publish the new version to crates.io.
+
+While prototyping, the local versions can be used by uncommenting the relevant lines in the
+`[patch.'crates-io']` section in Cargo.toml