In the latest GUI (1.31-rc) you can enable external browser for the help pages 
by setting the use.external.help preference to YES. It's not recommended (since 
it sort of disables the help system), but for those that requested it it's now 
possible.

Cheers,
Simon


to enable (in Terminal):
defaults write org.R-project.R use.external.help YES

to revert to default:
defaults delete org.R-project.R use.external.help 

On Dec 5, 2009, at 7:06 PM, Simon Urbanek wrote:

> 
> On Dec 5, 2009, at 5:00 PM, soeren.vo...@eawag.ch wrote:
> 
>> Dear R.app developers
>> 
>> Would be a nice feature if one could change the default help browser to an 
>> external application, e.g. Safari or Firefox.
>> 
> 
> Good point. We're intentionally overriding the "browser" option in the R.app 
> GUI because help pages are treated differently from other "regular" browseURL 
> calls. However, it may make sense to allow a user override. I'll look into 
> this. You will, however, lose the built-in help feature so I would not 
> recommend it as the default.
> 
> Thanks,
> Simon
> 
> _______________________________________________
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> R-SIG-Mac@stat.math.ethz.ch
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> 
> 

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