test with formula in title $x^3 + y^3 = z^3$

write a post

An inline formula is $(M_1^{\#})^{\mathcal{N}}$.

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An inline formula is $(M_1^{\{% raw %}#{% endraw %}})^{\mathcal{N}}$.

A block formula is

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A block formula is
$$
G_{\mu\nu} + \Lambda g_{\mu\nu} = \frac{8 \pi G}{c^4} T_{\mu\nu}.
$$

A hyperlink to Google

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A <a href="http://google.com">hyperlink to Google</a>

A blockquote

Definition. A cardinal $\delta$ is a Woodin cardinal iff for all $A \subseteq V_{\delta}$ there is $\kappa < \delta$ such that $\kappa$ is $< \delta$-$A$-strong.
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A blockquote
<blockquote>
<bold>Definition.</bold> A cardinal $\delta$ is a <it>Woodin cardinal</it> iff for all $A \subseteq V_{\delta}$ there is $\kappa < \delta$ such that $\kappa$ is $< \delta$-$A$-strong.
</blockquote>

An old 2048 game extended
(Disclaimer: I am not responsible for your wasted time on this game!)