[Rd] Debugging namespace problems

[Martin Morgan]

On 12/23/2011 02:38 PM, Hadley Wickham wrote:
>>> in scales_add_defaults, where the symbol isn't found in the globalenv()
>>> when nstest is attached and ggplot2 only loaded, but is (via the search
>>> path) when ggplot2 is attached.
>>
>> and topenv(parent.frame()) is a replacement that gets to .GlobalEnv for
>> ggplot2, and to the name space for nstest.
>
> Wonderful - thanks!  Any hints on how you discovered the problem?

nothing clever to report; it reproduces at the command line so 
traceback(), options(error=recover), and then debug(ggplot2::ggplot_build).

Martin

>
> Hadley
>


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