[R-SIG-Mac] Special characters not plotted

[David Winsemius]

On Oct 27, 2010, at 10:50 AM, Ralf Schäfer wrote:

> Hello,
>
> I have a problem with the plotting of special characters that just  
> occurred recently.
> For example when I use the following code:
>
> plot(1,1)
> mtext(expression(phi))
>
> Instead of the special character I get a black square. This actually  
> happens for all special characters in a plot.
> Any idea why this occurs? May be even related to fonts on my Mac?

Very possibly. You can try with Font Book.app to see if you have a  
corrupted font. When this happened to me I had two entries for Symbol  
and one of them was corrupt. Deleting that one restored expected  
behavior.

-- 
David. (OSX 10.5.8/ R 2.11.1 /R64.app)

>
> Hardware Overview:
>
>      Model Name: MacBook Pro
>
> System Version: Mac OS X 10.6.4

> Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
>
> The error is the same on 32-bit...
-- 
>

David Winsemius, MD
West Hartford, CT