[R-SIG-Mac] font placement in Quartz

[Carl Witthoft]

Sorry if this is an  old issue; it's certainly of very low priority.

I was playing around w/ font colors for, e.g. the main title in a plot, 
and noticed that overwriting some text with the identical text, but in 
white, leaves a small but noticeable 'border' outlining each letter.  I 
played around a bit with overwriting plotted lines in the chart and 
didn't seem to see this effect.  Is this a known limitation on rendering 
fonts or some such?


thanks
Carl