On Friday, November 28, 2014 1:04:17 PM UTC-5, Steven G. Johnson wrote:
>
>
>
> On Friday, November 28, 2014 12:57:57 PM UTC-5, Test This wrote:
>>
>>     if r
>>
>>
> It sounds like you want
>
>       if r == nothing
>
> here. 
>

(Or rather, r != nothing) 

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