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Quiz · 5 questions

Markdown Advanced & GFM — The Flavor Everyone Calls 'Markdown' Now

Tables, tasks, alerts, footnotes, math, mermaid — the GitHub extensions that became the de facto baseline.

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Quiz

01What is the minimum structure of a valid GFM table?
02On GitHub, what happens when someone toggles a task list checkbox in an issue?
03Which markup is GFM-only and not part of CommonMark?
04How many alert types does GFM define?
05Why must user-supplied Markdown be sanitized server-side before rendering?
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