[pstricks] psmatrix--node names

[E. Krishnan]

On Mon, 29 May 2006, Herbert Voss wrote:

> E. Krishnan wrote:
> 
> > gives an error, since LaTeX treats the [ ] in the *second line* as the 
> > space increasing argument to \\ in the first line, and complains of a 
> > missing number. So,
> > 
> >   \begin{psmatrix}
> >     [name=a]A & [name=b]B\\[0pt]
> >     [name=c]C & [name=d]D
> >   \end{psmatrix}
> > 
> > works fine. Is there any other way around the problem?
> 
> sure, all what prevents LaTeX from scanning the [] as
> an optional argument of the \\, eg: \\\relax
> 
> Herbert

That doesn't work, since then LaTeX does not recognize the following  
{mnode=c] as an optional argument to the node and typesets it literally.

-- 
Krishnan