Greek symbols in plot labels

R-Users,

I trying to get greek symbols in the labels of a plot. This is
successful in the title and in the x-label. But, not successful
in the y-label. Is this a bug or am I missing something?

For example,
plot(0,0,
xlab=substitute(paste(phi,"=",true,sigma),list(true=5)),
ylab=substitute(paste(phi,"=",true,sigma),list(true=5)),
main=substitute(paste(phi,"-Coordinates-",true,sigma),list(true=5)))
does the x-label and title correctly, but not y-label.

Works for me on NT4.
Please tell us: R Version (1.3.1 ???), OS.

Start R using the option vanilla and try again. 
Maybe there something wrong with your workspace.

Uwe Ligges
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