bad uri handling

http://stephen_pollei.home.comcast.net/ gives Error: {W107} Bad URI
<http://stephen_pollei.home.comcast.net/>: Host is not a well formed
address!

It's the underscore, however _'s are good host names according to rfc
2181 section 11 and rfc1123 sections 2.1 and 6.1.3.5
The problem is that rfc2396 section 3.2.2 is unduly restrictive. Also it
can be argued that it shouldn't be trying to parse the uri, just treat
it like opaque string at this point.


-- 
http://dmoz.org/profiles/pollei.html
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http://stephen_pollei.home.comcast.net/
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