This is currently a sandbox!

With some new text.

And and equation:

\begin{equation}
\label{eqn:eq_1}1+2=3\\
\end{equation}

\begin{equation}
1+2=3\\
\end{equation}

\begin{equation}
b=\frac{a}{b}\\
\end{equation}

…and here we refer to Eq. \ref{eqn:eq_1} to see if it works.

And, how about referring to Section \ref{sec:introduction}?

And, how about referring to Section 1 Introduction?

With some text. . . . . . and filler . . . . . . . . . . . .

to go down the page.

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