\documentclass{article}

\usepackage{amsmath}
\usepackage{amsthm}

\newtheorem{theorem}{Theorem}

\title{Testing \texttt{tex-fmt}}
\author{William G.\ Underwood}
\begin{document}
\maketitle

\begin{align}
E = m c^2 \\
1 + 2
+ (3 + 4)
+ (5 + 6
+ 7 + 8)
+ (9 + 10
+ 11 + 12
+ 13 + 14)
\end{align}

\begin{itemize}
\item Item one % trailing comment with ]) brackets
\item Item two on
multiple lines
\item Item three
\begin{itemize}
\item Subitem one of item two % this line has trailing spaces    
\item Subitem two of item two
\end{itemize}
\item Item four % trailing comment % with [( brackets
\item
\end{itemize}

\begin{theorem}[Pythagoras]%
\label{thm:pythagoras}

For a right triangle with hypotenuse $c$ and other sides $a$ and $b$,
we have
%
\begin{align*}
a^2 + b^2 = c^2
\end{align*}
%
% some comments

\end{theorem}

This line contains \emph{emphasized} text.
\emph{This line contains only emphasized text,
and is broken over two lines}.
\emph{This line contains only
emphasized text,
and is broken over three lines}.

\end{document}

% This file ends with trailing newlines



