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+% Copyright 2003 Sascha Herpers
+%
+% This file can be redistributed and/or modified under the terms
+% of the LaTeX Project Public License Distributed from CTAN
+% archives in directory macros/latex/base/lppl.txt; either
+% version 1 of the License, or any later version.
+%
+%
+% 2003-05-22
+% Sascha Herpers
+% herpers@wiso.uni-koeln.de
+\documentclass[draft]{article}
+\usepackage{tokenizer}
+\usepackage{verbatim}
+\usepackage{tabularx}
+
+\setlength{\parindent}{0pt}
+
+\begin{document}
+\title{\texttt{tokenizer.sty}}
+\author{Sascha Herpers\thanks{Herpers@wiso.uni-koeln.de}}
+\date{\today} \maketitle
+\begin{abstract}
+\noindent This package provides a command \verb+\GetTokens+, which
+splits a comma separated list of strings into
+tokens.\footnote{Thanks to Harald Harders for his support.}\\
+
+\noindent Version: 1.1.0 (May 26, 2003)
+\end{abstract}
+
+\section{Usage}
+This package defines the following command:
+\begin{center}
+\verb+\GetTokens{<name1>}{<name2>}{<source>}+.
+\end{center}
+
+\verb+\GetTokens+ can be used to split a comma separated list of
+strings passed as \verb+<source>+ into two tokens at the first
+encounter of a comma. While doing so, two commands with the name
+\verb+<name1>+ and \verb+<name2>+ are defined. The string up to
+the first comma of \verb+<source>+ is assigned as value for
+\verb+\<name1>+ and the rest is assigned to \verb+\<name2>+.\\
+
+By default the tokens are left as is, i.\,e. leading and trailing
+spaces are not removed. However, if this behavior is not
+desirable, you can use the package option \textbf{trim}.
+Specifying this option causes each token to be stripped off
+leading and trailing spaces.\footnote{Omitting the trim options
+has the same result as using the \textbf{notrim} option.}\\
+
+As a byproduct to the trim option the tokenizer package defines
+the following command:
+\begin{center}
+\verb+\TrimSpaces{<source>}+
+\end{center}
+\verb+\TrimSpaces+ can be used remove spaces from the text passed
+as first parameters.
+
+\section{Example}
+The example shown in listing 1 illustrates the use of
+\verb+\GetTokens+. Firstly, a source string \verb+\Source+ is
+created, which contains the strings to be separated. The following
+while statement loops until there are no more tokens to process.
+\verb+\GetTokens+ is called and the separated tokens are stored in
+two commands \verb+\TokenOne+ and \verb+\TokenTwo+, which are
+created by \verb+\GetTokens+. Lastly, \verb+\Source+ is replaced
+by the remainder string contained in \verb+\TokenTwo+.\\
+
+
+\hrule
+\begin{verbatim}
+ \def\Source{ this , is , a , short , test }
+ The string \emph{\Source} contains the following tokens:\\
+ \whiledo{\not\equal{\Source}{}}
+ {
+     \GetTokens{TokenOne}{TokenTwo}{\Source}
+     \hspace*{.3cm}$\bullet$ [\TokenOne]\\
+     \let\Source\TokenTwo
+ }
+\end{verbatim}
+\hrule
+\begin{center}
+Listing 1: example usage of \verb+\GetTokens+
+\end{center}
+
+This is the output produced by the above example:\\
+\begin{center}
+    \begin{minipage}{9cm}
+        \def\Source{ this , is , a , short , test }
+        The string \emph{\Source} contains the following tokens:\\
+        \whiledo{\not\equal{\Source}{}}
+        {
+            \GetTokens{TokenOne}{TokenTwo}{\Source}
+            \hspace*{.3cm}$\bullet$ [\TokenOne]\\
+            \let\Source\TokenTwo
+        }
+    \end{minipage}
+\end{center}
+
+\newpage
+\section{History}
+\begin{tabularx}{\textwidth}{lX}
+ \hline
+ date & change\\
+ \hline
+ 05/26/03 & added packages options \textbf{trim} and \textbf{notrim}\\
+\end{tabularx}
+
+\end{document}