[limadog9]

Fixes #156675.

The lambda production reused the function parameter grammar, which permits annotations. Define lambda-specific parameter productions using identifiers directly, while retaining positional-only parameters, defaults, variadic parameters, keyword-only parameters, and trailing commas.

Validation: the full Sphinx HTML build passed with warnings treated as errors, and sphinx-lint and git diff --check passed. Cross-checked 11 valid lambda forms and four rejected annotation forms against the current parser.

• Issue: lambda grammar in the language reference incorrectly allows annotations #156675

[read-the-docs-community]

Documentation build overview

📚 cpython-previews | 🛠️ Build #35258017 | 📁 Comparing af5a862 against main (0fba211)

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1 file changed

± reference/expressions.html