\section{Text Alignment}~\label{text_alignment}\r
-\r
-\subsection{Overview}\r
-\r
+%\subsection{Overview}\r
Our approach at the text alignment subtask of PAN 2013 uses the same\r
basic principles as our previous work in this area, described\r
in \cite{suchomel_kas_12}, which in turn builds on our work for previous\r