Markdown Extensions: Admonitions, Diagrams, Math
Extend standard Markdown with admonitions, LaTeX math via KaTeX, Mermaid diagrams, definition lists, and footnotes in popular renderers.
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Tags: markdown, extensions, documentation
Markdown Extensions Guide: Admonitions, Diagrams, Math, and Footnotes CommonMark is intentionally minimal. It defines the core elements — paragraphs, headings, lists, code, links, emphasis — and stops there. Every feature beyond that is an extension, and the landscape of extensions is fragmented: each platform and tool picks its own subset. This guide covers the most widely supported Markdown extensions, what they add, how they're implemented, and which platforms support them. --- Why Extensions Exist The CommonMark spec deliberately left certain decisions open. John MacFarlane (creator of Pandoc and co-author of CommonMark) has described the approach: CommonMark defines the unambiguous base; extensions add domain-specific features without breaking the base spec. The practical consequence…
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