Example LaTeX

example.tex

\documentclass{book}

\begin{document}
\chapter{Github} 
    You can create a new Gist, add, modify, and delete files and code 
    entirely in the browser. You don't need to install or download anything\footnote{This is an excerpt 
    from http://robertgreiner.com/2012/04/using-github-as-a-syntax-highlighter/}.
\end{document}