remark-lint-no-duplicate-definitions

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library 4.0.1 ·javascript
verified May 1, 2026

A remark-lint rule that warns when identifiers (footnotes, links, etc.) are defined multiple times in Markdown documents. Current stable version is 4.0.1 (ESM-only, requires Node.js 16+). Part of the remark-lint ecosystem, included in `remark-preset-lint-recommended`. It helps catch mistakes where the same identifier is used for different definitions, ensuring uniqueness. Unlike custom checks, this rule integrates seamlessly with remark's unified pipeline and provides clear, standardized error messages.

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