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What is GitHub Flavored Markdown?

Definition

GitHub Flavored Markdown (GFM) is GitHub's extension of standard Markdown. It adds support for tables, task lists, strikethrough, fenced code blocks with syntax highlighting, and autolinked URLs.

Why It Matters

GFM is the de facto standard for developer documentation. READMEs, pull request descriptions, issue templates, and wiki pages all use GFM. Knowing GFM features like tables and task lists saves time when writing on GitHub.

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