[Tex/LaTex] Title running off the page!

line-breakingtext-decorations

I haven't had this problem before so I'm not quite sure what's happening, but my title is running off to the right side of the page. This is my code:

\documentclass{article}
\usepackage{assymb}
\usepackage{wasysym}
\usepackage[top=2cm, bottom=1.3cm, left=2cm, right=2cm]{geometry}
\usepackage{tensor}
\usepackage{enumitem}
\usepackage{outlines}

\begin{document}
\title{\vspace{0.9in}\underline{Chapter 13 - Chromosomal Rearrangements \& Changes in Chromosome Number}}
\date{}
\maketitle
\thispagestyle{empty}
\pagestyle{empty}
\vspace*{-1.5cm}

%some text

\end{document}

Is my title too long or is there a genuine problem with my code? I don't think the title length is a factor as it should then just go to the next line. I would really appreciate any help. Thanks in advance!

Best Answer

\underline doesn't admit line breaks; you could use \uline from the ulem package instead. Load the package in the preamble:

\usepackage[normalem]{ulem}

(normalem will prevent \emph commands from showing up as underlined instead of as italics) and then:

\uline{Chapter 13 - Chromosomal Rearrangements \& Changes in Chromosome Number}}
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