[R-SIG-Mac] Editor refresh problem

[Ken Nussear]

Hi all

I can't seem to find any mention of this topic in a google search, so  
I hope someone has solved this already.

I'm getting some refresh/redraw (not sure of the correct technical  
term) in the editor window for R app. I'm using  R 2.8.1 Gui 1.27  
Tiger build 32-bit(5301) on mac osx 10.5.6

When editing code it frequently looks like an entire line disappears  
(example Picture9.png there is a for loop missing), if I then move the  
corner drag tab everything refreshes and its all there (Example  
Picture10.png).

Does anyone know how to fix this?
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Thanks


Ken