[pstricks] Requesting a new feature for nodesep and offset

[Counter Terrorist]

Dear PSTricks' maintainers,

For the current implementation, I noticed that angle is the only key that can be expressed in RPN expression.
May I request a new feature such that both nodesep and offset can be expressed in RPN? 
I believe it is possible recall that Herbert Voss has successfully made the first argument (label separation) of \uput can be in RPN (see pst-news13 for the details).

\documentclass[pstricks,border=12pt]{standalone}
\usepackage{pst-eucl}
\begin{document}
\begin{pspicture}[showgrid](4,4)
\pstGeonode
(1,1){O}
([nodesep=1,angle=30]O){P}
([nodesep=2,angle={!30 90 add}]P){A}
([nodesep=1.7205,offset=1]P){B}% I prefer ([nodesep={! 3 sqrt },offset={! 1}]P){B}
\pstCircleOA{O}{P}
\psline(A)(P)(B)
\end{pspicture}
\end{document}

Thank you in advance.


Best regards,

http://tex.stackexchange.com/users/19356
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