PSTricks: is it a feature or a bug?

[Christophe Broult]

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Hi,

I've got some trouble with the command \\ in the psmatrix environment
when in the next column I try to give the next node a name using the
[name=xx] notation, this doesn't work. I've try several
solutions. Here they are:

\documentclass{article}
\usepackage{pst-all}
\begin{document}
  \psset{arrows=->}%,arcangle=0}

\begin{figure}\centering
  \begin{psmatrix}[mnode=circle,emnode=none]
    [name=P1] 1\\
    [name=IP1]1
    \ncline{P1}{IP1}\trput{E1/O1}
  \end{psmatrix}
  \caption{\texttt{[name=IP1]} is used as the optional argument of
    $\backslash\backslash$.}
\end{figure}
\begin{figure}\centering
  \begin{psmatrix}[mnode=circle,emnode=none]
    [name=P1] 1\\
    {[name=IP1]}1
    \ncline{P1}{IP1}\trput{E1/O1}
  \end{psmatrix}
  \caption{\texttt{[name=IP1]} is enclosed in brace and is taken as part
    of the node label.}
\end{figure}
\begin{figure}\centering
  \begin{psmatrix}[mnode=circle,emnode=none]
    [name=P1] 1\\[1cm]
    [name=IP1]1
    \ncline{P1}{IP1}\trput{E1/O1}
  \end{psmatrix}
  \caption{Behave correctly but I had to add an optional to
    $\backslash\backslash$.}
\end{figure}

\end{document}

I'd like one that avoid the use of optional parameter for \\.

Thank you,

Chris

-- 

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      harder, but when you do, it blows away your whole leg."

                               -- Bjarne Stroustrup on C++


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