pgfplots Bug (?) - Wieso erscheint y-Achse thick?
Wieso erscheint y-Achse thick, obwohl nirgendswo thick angegeben?
![alt text][1]
\documentclass[border=2pt]{standalone}
\usepackage{pgfplots}
\usepackage{amsmath, amssymb}
\pgfplotsset{compat=1.10}
\begin{document}
\begin{tikzpicture}
\begin{axis}[font=\footnotesize,
title={\normalsize $s(t) = 20 - 10t + 100t^2 - 30t^3$ },
axis lines = middle,
axis line style = {-latex},
% x
xtick={0,1,...,5},
samples = 200,
xmin = 0, xmax=4,
% y
ymin = 0, ymax=170,
enlarge x limits={abs=0.5,upper},
enlarge y limits={abs=5,lower},
xlabel={ $t [\text{h}]$},
xlabel style={anchor=north},
ylabel={$s(t) [\text{km}]$},
ylabel style={anchor=east},
]
\addplot[blue,domain=0:3.5] {20 - 10*x + 100*x^2 - 30*x^3)};
\end{axis}
\end{tikzpicture}
\end{document}
[1]: http://texwelt.de/wissen/upfiles/9999999999.jpg
