[pstricks] Factor tree supporting comments

[Herbert Voss]

David Arnold schrieb:
> Very nice! Exactly what I need. However, I cannot find this in the  
> documentation anywhere:
> 
> \rput[rc](\linewidth,0|A){1.}%
> 
> What does the 0|A mean?

takes the x argument from the first point \linewidth,0 and
the y argument from the second point A
See documentation, page 146
http://www.dante.de/CTAN/graphics/pstricks/base/doc/pstricks-doc.pdf

> And while I am on this, another one. What does this mean?
> 
> linecolor=black!10

10% of color black

Herbert