CommonMark is a robust, highly spec-compliant Markdown parser and renderer. It provides a well-defined, unambiguous grammar for Markdown, eliminating inconsistencies across implementations. This package supports parsing CommonMark-flavored Markdown into an abstract syntax tree and rendering it to HTML. It's widely used for creating predictable and reliable Markdown processing in various applications, ensuring consistent output across different platforms and tools. Useful for content creation, documentation generation, and more.