[pstricks] Probably a bug in \nodexn

[Donut E. Knot]

Dear folks,

I noticed \nodexn behaves abnormally as the following code represents. When C is constructed via \nodexn, it becomes rendered outside the canvas. 

\documentclass[pstricks,border=12pt]{standalone}

\usepackage{pst-eucl}
\psset{saveNodeCoors}

\begin{document}
\begin{pspicture}[showgrid](-3,-1)(3,3)
\pstGeonode
(2,0){A}
(2,2){B}
(!N-A.x N-B.x add 4 div N-A.y N-B.y add 4 div 2.5 add){C}
%\nodexn{.25(A)+.25(B)+(0,2.5)}{C'}% does not work
%\pstGeonode(C'){C}% does not work
\def\common{\psline(!N-A.x N-A.y)(!N-B.x N-B.y)(!N-C.x N-C.y)}%
\pscustom
{
\common
\reversepath
\scale{-1 1}
\common
\closepath
}
\end{pspicture}
\end{document}


Thank you in advance.


Best regards,

Stiff Jokes
(http://tex.stackexchange.com/users/19356)
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