tutorial·2026-06-07·1 min read

MDX Features Demo

GitHub Alerts, math, GFM extensions, and media embeds

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This post verifies the blog's MDX pipeline extensions. Hover any h2/h3 heading to reveal the # anchor link.

#GitHub Alerts

Inline math: mass-energy equivalence $E = mc^2$ , Euler's identity $e^{i\pi} + 1 = 0$ .

Block math:

\int_0^1 x^2 \, dx = \frac{1}{3}

Matrix and fractions:

\begin{bmatrix} a & b \\ c & d \end{bmatrix} \begin{pmatrix} x \\ y \end{pmatrix} = \begin{pmatrix} ax + by \\ cx + dy \end{pmatrix}

~~Strikethrough text~~ remains readable for deprecated content.

Task list:

Column A	Column B	Column C
Next.js	MDX	RSC
KaTeX	GFM	Alerts

A sentence with a footnote¹.

YouTube embed (sample video ID):

Local video (place file at public/videos/demo.mp4):

Local audio (place file at public/audio/demo.mp3):