R help - Dec 2007 - ggplot2: can not find "current.grobTree()"

Dear All (and Hadley),

Is the function "current.grobTree()" implemented in ggplot2? According
to
the draft ggplot2 book, on page 43, we can get a list of all grobs with
current.grobTree(). But when I try that, I get 'Error: could not find
function "current.grobTree"'.

However, when I try help(current.grobTree), I do get a "fake"
document.

Best Regards
Xie Chao 
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> Is the function "current.grobTree()" implemented in ggplot2?
According to
> the draft ggplot2 book, on page 43, we can get a list of all grobs with
> current.grobTree(). But when I try that, I get 'Error: could not find
> function "current.grobTree"'.
Ooops - the book is now out of date.  Paul Murrell was kind enough to
write a much nicer version called grid.ls - use that instead

Hadley

-- 
http://had.co.nz/