<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\psset{unit=.6}%
\begin{pspicture}(0,-2)(8,7)\psgrid
  \input{Exemples/symorthogonale_in}
\end{pspicture}
</pre></body></html>