[racket] drracket -singleInstance

Do you have "libunique-1.0" installed?

I intended to make `-singleInstance` log an error when "libunique-1.0"
is not found, but I think I never got around to it.

At Wed, 26 Mar 2014 16:32:23 -0300, David Bremner wrote:
> 
> Hi all;
> 
> I'm running 5.3.6 on Debian.  According to the docs shipped with racket, 
> "drracket -singleInstance bar.rkt" should open bar.rkt in an existing
> drracket process. This seems not to be the case for me.  Is this a bug?
> Or a feature that got dropped?
> 
> d
>  
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