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+%%
+%% This is file `chronology.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% chronology.dtx  (with options: `package')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (C) 2010 by Levi Wiseman
+%% 
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% 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 1.3 or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+%% This work has the LPPL maintenance status `maintained'.
+%% 
+%% The Current Maintainer of this work is Levi Wiseman.
+%% 
+%% This work consists of the file chronology.dtx and the derived files
+%% chronology.ins, chronology.pdf, and chronology.sty.
+%% 
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{chronology}[2010/6/12 v1.0 Horizontal timeline]
+\RequirePackage{calc}
+\RequirePackage{tikz}
+\RequirePackage{ifthen}
+\newenvironment{chronology}[5][5]{%
+  \newcounter{step}\newcounter{stepstart}\newcounter{stepstop}%
+  \newcounter{yearstart}\newcounter{yearstop}\newcounter{deltayears}%
+  \newlength{\xstart}\newlength{\xstop}%
+  \newlength{\unit}\newlength{\timelinewidth}%
+  \setcounter{step}{#1}%
+  \setcounter{yearstart}{#2}\setcounter{yearstop}{#3}%
+  \setcounter{deltayears}{\theyearstop-\theyearstart}%
+  \setlength{\unit}{#4}%
+  \setlength{\timelinewidth}{#5}%
+  \pgfmathsetcounter{stepstart}%
+    {\theyearstart+\thestep-mod(\theyearstart,\thestep)}%
+  \pgfmathsetcounter{stepstop}{\theyearstop-mod(\theyearstop,\thestep)}%
+  \addtocounter{step}{\thestepstart}%
+  \newsavebox{\timelinebox}%
+  \begin{lrbox}{\timelinebox}%
+    \begin{tikzpicture}[baseline={(current bounding box.north)}]%
+      \draw [|->] (0,0) -- (\thedeltayears*\unit+\unit, 0);%
+      \foreach \x in {1,...,\thedeltayears}%
+        \draw[xshift=\x*\unit] (0,-.1\unit) -- (0,.1\unit);%
+      \addtocounter{deltayears}{1}%
+      \foreach \x in {\thestepstart,\thestep,...,\thestepstop}{%
+        \pgfmathsetlength\xstop{(\x-\theyearstart)*\unit}%
+        \draw[xshift=\xstop] (0,-.3\unit) -- (0,.3\unit);%
+        \node at (\xstop,0) [below=.2\unit] {\x};}}{%
+    \end{tikzpicture}%
+  \end{lrbox}%
+  \raisebox{2ex}{\resizebox{\timelinewidth}{!}{\usebox{\timelinebox}}}}%
+\newcommand{\event}[3][e]{%
+  \pgfmathsetlength\xstop{(#2-\theyearstart)*\unit}%
+  \ifx #1e%
+    \draw[fill=black,draw=none,opacity=0.5]%
+      (\xstop, 0) circle (.2\unit)%
+      node[opacity=1,rotate=45,right=.5\unit] {#3};%
+  \else%
+    \pgfmathsetlength\xstart{(#1-\theyearstart)*\unit}%
+    \draw[fill=black,draw=none,opacity=0.5,rounded corners=.2\unit]%
+      (\xstart,-.2\unit) rectangle%
+      node[opacity=1,rotate=45,right=.5\unit] {#3} (\xstop,.2\unit);%
+  \fi}%
+\newcommand{\decimaldate}[3]{(#1-1)/31/12+(#2-1)/12+#3}
+\endinput
+%%
+%% End of file `chronology.sty'.