This text is in Markdown.

This uses \ [ and \ ] for LaTeX equations without alignment:

\[ 3 = 1 + 2 \\ = 2 + 1 \]

This uses \ [ and \ ] with "align" for LaTeX equations with alignment,

but throws a (recoverable) error:

\[ \begin{align} 3 &= 1 + 2 \\ &= 2 + 1 \end{align} \]

With explicit begin/end align and "\newline":

\begin{align} 3 &= 1 + 2 \newline &= 2 + 1 \end{align}

With explicit begin/end align and backslash newline:

\begin{align} 3 &= 1 + 2 \\\ &= 2 + 1 \end{align}

(End Markdown)

This text is in LaTeX.

\begin{align}
3 & =1+2 \\
& =2+1\\
\end{align}

This is a list:

- Entry 1
- Subentry

- Entry 2
- Entry 3

A | table |
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yay | tables! |