[plt-dev] FYI: OS X DrS going to 100% CPU in background

I'm not seeing a pattern yet, but three times today I've seen DrScheme  
go to 100% CPU while in the background, and drop back down to <1% when  
brought back to the foreground.

Welcome to DrScheme, version 4.1.5.5-svn4may2009 [3m].

I'm going to update DrS to the SVN head; maybe this problem will go  
away.

John

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