Policy on pulling in code from other projects?

Hey,

So I am looking intently on what it is going to take to get the URI 
patch done for psql [1] and was digging around the web and have a URI 
parser library. It is under the New BSD license and is strictly RFC  RFC 
3986 [2] compliant .

Now I have not dug into the code but the parser is used by other 
projects. So question is:

Assuming the code actually makes this patch easier, do we:

A. Pull in the code into the main tree
B. Instead have it as a requirement via configure?

1. 
http://archives.postgresql.org/message-id/1302114698.23164.17.camel@jd-desktop

2. http://tools.ietf.org/html/rfc3986


Sincerely,

Joshua D. Drake


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