remark-lint-no-heading-punctuation

A remark-lint rule that warns when headings end in illegal characters such as punctuation marks. The current stable version is 4.0.1. It is part of the remark-lint ecosystem and is included in presets like `remark-preset-lint-markdown-style-guide`. It supports configurable options via a RegExp or string, allowing customization of which characters are flagged. This package is ESM-only and ships TypeScript types. It is actively maintained as part of the remark-lint monorepo.