[plt-scheme] dns-find-nameserver complains "input in flex scanner failed" (but works anyway)

On 3/14/2010 4:01 PM, Eli Barzilay wrote:
> On Mar 14, Greg Hendershott wrote:
>    
>> With DrScheme, version 4.2.3 [3m], Language: Module.
>>
>>   (require net/dns)
>>   (dns-find-nameserver)
>>
>> Gives the output:
>>
>> "input in flex scanner failed" (red italics)
>> <blank line>
>> "d.d.d.d" (a valid IP address for the name server)
>>      
>
> FWIW, on XP it just prints out the expected text with no error.
>    

I built a fresh PLT on 64-bit Win7 (32-bit PLT image of course).  
Version 4.2.4.6-svn14mar2010[3m], svnrev 18533.  Problem reproducible 
per Greg's original report.  The error diagnostic in question appears to 
come from src\wxxt\src\x\wbuild\src\scan.c.