<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\begin{pspicture}(0,.5)(11,10.5)%\psgrid
  \psframe(0,.5)(11,10.5)
  \input{Exemples/parabole_in.tex}
\end{pspicture} </pre></body></html>