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+%%
+%% This is file `docgerman.tex'.
+%% 
+%% This file is part of the `datenumber' package,
+%% 
+%% Copyright (C) 2001 J"org-Michael Schr"oder.
+%% 
+%% IMPORTANT NOTICE:
+%% 
+%% This program may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.2
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%% http://www.latex-project.org/lppl.txt
+%% and version 1.2 or later is part of all distributions of LaTeX
+%% version 1999/12/01 or later.
+%% 
+%% This program consists of all files listed in README.txt.
+%% 
+%% For error reports, or offers to help make this a more powerful
+%% tool, please contact me on schrj020@mail.uni-mainz.de
+%% 
+
+\documentclass[draft]{article}
+\usepackage{datenumber}
+
+\oddsidemargin 0.25in
+\textwidth 5.875 in
+\addtolength{\textheight}{8\baselineskip}
+\addtolength{\topmargin}{-5\baselineskip}
+
+\title{The {\tt datenumber.sty} package \fileversion}
+
+\author{J\"org-Michael Schr\"oder\\{\small\texttt{schrj020@mail.uni-mainz.de}}}
+
+\date{\filedate}
+
+\newcounter{dateone}\newcounter{datetwo}%
+\newcommand{\daydifftoday}[3]{%
+  \setmydatenumber{dateone}{\the\year}{\the\month}{\the\day}%
+  \setmydatenumber{datetwo}{#1}{#2}{#3}%
+  \addtocounter{datetwo}{-\thedateone}%
+  \thedatetwo
+}
+
+\newcommand{\sd}{%
+\ifcase\thedatedayname \or
+    Mon\or Tue\or Wed\or Thu\or
+    Fri\or Sat\or Sun\fi
+}%
+
+\newcommand{\pnext}{%
+\thedateyear/%
+\ifnum\value{datemonth}<10 0\fi
+\thedatemonth/%
+\ifnum\value{dateday}<10 0\fi
+\thedateday%
+\nextdate
+}
+
+\begin{document}
+\maketitle
+\begin{abstract}
+
+This package provides commands to convert a date into a number. Turned around a date can be calculated also by a number. Additionally there are commands for incrementing and decrementing a date. Leap years and the Gregorian calendar reform are considered.
+\end{abstract}
+
+\tableofcontents
+\section{Start year}
+The start of the counting is determined with \verb+\setstartyear{year}+ (standard 1800). The first day of the start year gets the number 1. The value of \texttt{startyear} must be greater 0. It may not be larger than the year of a date to be calculated. If the difference of date and \texttt{startyear} is large, the calculation can last for a long time. The correct setting of the weekdays is guaranteed only if the value of \texttt{startyear} is 1800, 1900 or 2000.
+\section{Counters}
+There are five counters defined
+\begin{description}
+\item[\texttt{datenumber}:] number of the day
+\item[\texttt{dateyear}:] year
+\item[\texttt{datemonth}:] month
+\item[\texttt{dateday}:] day
+\item[\texttt{datedayname}:] weekday: 1--7 (Monday--Sunday)
+\end{description}
+\section{Macros}
+\subsection{Macros which operate with defined counters\label{macro}}
+All counters specified above are updated by these macros. \verb+\datedayname+ and \verb+\datemonthname+ are also updated.
+\begin{description}
+\item[\texttt{\textbackslash setdatenumber\{year\}\{month\}\{day\}}:] Sets the counter \texttt{datenumber} to a value, which corresponds to the date.
+\item[\texttt{\textbackslash setdatebynumber\{number\}}:] Sets the counters \texttt{dateyear}, \texttt{datemonth}, and \texttt{dateday} to values, which corresponds to the number.
+\item[\texttt{\textbackslash nextdate}:] Sets the counters \texttt{dateyear}, \texttt{datemonth}, and \texttt{dateday} to the next date.
+\item[\texttt{\textbackslash prevdate}:] Sets the counters \texttt{dateyear}, \texttt{datemonth}, and \texttt{dateday} to the previous date.
+\item[\texttt{\textbackslash setdate\{year\}\{month\}\{day\}}:] Sets the counters \texttt{dateyear}, \texttt{datemonth}, and \texttt{dateday} to \texttt{year}, \texttt{month}, and \texttt{day}.
+\item[\texttt{\textbackslash setdatetoday}:] Sets the counters \texttt{dateyear}, \texttt{datemonth}, and \texttt{dateday} to the current date.
+\item[\texttt{\textbackslash datemonthname}:] typesets the month (see section \ref{monthname}).
+\item[\texttt{\textbackslash datedayname}:] typesets the weekday (see section \ref{dayname}).
+\item[\texttt{\textbackslash datedate}:] typesets the date, corresponding to the counters \texttt{dateyear}, \texttt{datemonth}, \texttt{dateday}.
+\end{description}
+\subsection{Macros which operate with your own counters}
+Only the counters you specified are updated by these macros. \verb+\datedayname+ and \verb+\datemonthname+ are not updated.
+\begin{description}\sloppypar
+\item[\texttt{\textbackslash setmydatenumber\{numbercount\}\{year\}\{month\}\{day\}}:] Sets the counter \texttt{numbercount} to a value, which corresponds to the date.
+\item[\texttt{\textbackslash setmydatebynumber\{number\}\{yearcount\}\{monthcount\}\{daycount\}}:] Sets the counters \texttt{yearcount}, \texttt{monthcount}, and \texttt{daycount} to values, which corresponds to the number.
+\item[\texttt{\textbackslash mynextdate\{yearcount\}\{monthcount\}\{daycount\}}:] Sets the counters \texttt{yearcount}, \texttt{monthcount}, and \texttt{daycount} to the next date.
+\item[\texttt{\textbackslash mynextdate\{yearcount\}\{monthcount\}\{daycount\}}:]Sets the counters \texttt{yearcount}, \texttt{monthcount}, and \texttt{daycount} to the previous date.
+\end{description}
+
+\subsection{Month\label{monthname}}
+The command \verb+\datemonthname+ typesets the month. It is updated by macros described in section \ref{macro}. You can do this by your own saying \verb+\setmonthname{number}+.
+
+\subsection{Weekday\label{dayname}}
+To typeset the weekday say \verb+\datedayname+. This command is updated by macros described in section \ref{macro}.
+You can do this by your own saying \verb+\setmonthname{number}+ (1 for Monday and 7 for Sunday). You can also write \verb+\setdaynamebynumber{number}+, were \verb+number+ is the number of a date. If \texttt{startyear} is set to 1800, 1900 or 2000 the calculation of the weekday will work.
+
+\section{Language}\sloppypar
+The language options \texttt{english}, \texttt{USenglish} (standard), \texttt{french}, \texttt{spanish}, \texttt{german}, and \texttt{ngerman} are supported. Say \verb+\dateselectlanguage{language}+ to select a language. For other languages: Create a file \texttt{datenumbermylanguage.ldf}. Copy the text from \texttt{datenumberdummy.ldf}. Replace every ``dummy'' with ``mylanguage'' and change the months and weekdays. Say \verb+\usepackage{datenumber}+ \verb+\input{datenumbermylanguage.ldf}+ in your document.
+
+\section{Examples}
+\begin{quote}
+\begin{verbatim}
+\setdate{2002}{1}{1}%
+\thedatenumber
+\end{verbatim}
+\setdate{2002}{1}{1}%
+Result: \thedatenumber
+\end{quote}
+
+\begin{quote}
+\begin{verbatim}
+\setdatetoday
+\addtocounter{datenumber}{10}%
+\setdatebynumber{\thedatenumber}%
+In 10 days is \datedate
+\end{verbatim}
+\setdatetoday
+\addtocounter{datenumber}{10}%
+\setdatebynumber{\thedatenumber}%
+Result: In 10 days is \datedate
+\end{quote}
+
+\begin{quote}
+\begin{verbatim}
+\newcounter{dateone}\newcounter{datetwo}%
+
+\newcommand{\daydifftoday}[3]{%
+  \setmydatenumber{dateone}{\the\year}{\the\month}{\the\day}%
+  \setmydatenumber{datetwo}{#1}{#2}{#3}%
+  \addtocounter{datetwo}{-\thedateone}%
+  \thedatetwo
+}
+
+There is still \daydifftoday{\the\year}{12}{25} days to Christmas.
+\end{verbatim}
+Result: There is still \daydifftoday{\the\year}{12}{25} days to Christmas.
+\end{quote}
+
+\clearpage
+\begin{quote}
+\begin{verbatim}
+\newcommand{\sd}{%
+\ifcase\thedatedayname \or
+    Mon\or Tue\or Wed\or Thu\or
+    Fri\or Sat\or Sun\fi
+}%
+
+\newcommand{\pnext}{%
+\thedateyear/%
+\ifnum\value{datemonth}<10 0\fi
+\thedatemonth/%
+\ifnum\value{dateday}<10 0\fi
+\thedateday%
+\nextdate
+}
+
+\setdate{2001}{9}{29}%
+\[\begin{tabular}{lll}
+\sd & \pnext & Abc\\
+\sd & \pnext & Def\\
+\sd & \pnext & Ghi\\
+\sd & \pnext & Jkl\\
+\end{tabular}\]
+\end{verbatim}
+Result: \setdate{2001}{9}{29}%
+\[\begin{tabular}{lll}
+\sd & \pnext & Abc\\
+\sd & \pnext & Def\\
+\sd & \pnext & Ghi\\
+\sd & \pnext & Jkl\\
+\end{tabular}\]
+\end{quote}
+
+\section{Other}
+\begin{itemize}
+\item leap year test
+\begin{quote}
+\begin{verbatim}
+The \the\year\ is
+\ifleapyear{\the\year} a \else no \fi leap year.
+\end{verbatim}
+Result: The \the\year\ is \ifleapyear{\the\year} a \else no \fi leap year.
+\end{quote}
+\item date test
+\begin{quote}
+\begin{verbatim}
+The 29.2.1900 is
+\ifvaliddate{1900}{2}{29} a \else no \fi valid date.
+\end{verbatim}
+Result: The 29.2.1900 is \ifvaliddate{1900}{2}{29} a \else no \fi valid date.%
+\footnote{There are programs, which have another opinion about that. Search for ''Gregorian calendar'' in order to get more information about leap years and October 5, 1582}
+\end{quote}
+\end{itemize}
+
+\end{document}
+\endinput
+%%
+%% End of file `doc.tex'.