vcs: Fix pygments highlighting of code blocks with $ and '
Pygments highlighting breaks when a code block ends with a lone $ on a
line or when it has an unmatched '.
\documentclass{article}
\begin{document}
This is my simple document with nested lists.
\begin{enumerate}
\item First Enumerated Item.
\item Second Enumerated Item.
\item Third Enumerated Item.
\begin{itemize}
\item First Item.
\item Second Item.
\item Third Item.
\begin{itemize}
\item First Sub-Item.
\item Second Sub-Item.
\item Third Sub-Item.
\item Fourth Sub-Item.
\end{itemize}
\end{enumerate}
\end{document}