deletions | additions       diff --git a/preamble.tex b/preamble.tex  index 98415ea..187d977 100644  --- a/preamble.tex  +++ b/preamble.tex 
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\documentclass{article}  \usepackage{amsfonts,amsmath,amssymb} \documentclass[11pt]{article}  \usepackage[T1]{fontenc}  \usepackage[utf8]{inputenc}  \usepackage{geometry}  %\geometry{letterpaper,landscape}  \geometry{paperwidth=9in,paperheight=7in}  %\usepackage{hyperref}  \usepackage[pdftex,  pdfauthor={Bruno Ruviaro},  pdftitle={A Gentle Introduction to SuperCollider},  pdfsubject={a SuperCollider tutorial},  pdfkeywords={computer music, SuperCollider, programming, music},  pdfproducer={LaTeX},  pdfcreator={pdflatex}]{hyperref}    \usepackage{enumerate}  \usepackage{graphicx}  \usepackage{color}  \usepackage{url}  \bibliographystyle{plain} \usepackage{endnotes}  \usepackage[symbol*, perpage]{footmisc}  \usepackage[colorinlistoftodos]{todonotes}  \usepackage[framed, numbered]{sclang-prettifier}  \renewcommand{\lstlistingname}{Example}  \title{\textbf{A Gentle Introduction to SuperCollider}}  \author{Bruno Ruviaro}  \date{\today}