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- Search Engines
-- Search Engine Spider and User Agent Identification
---- a legitimate blank?
wilderness - 12:00 am on Jun 10, 2011 (gmt 0)Thread source:: http://www.webmasterworld.com/search_engine_spiders/4303131.htm
Here's a 1999 explanation [web.archive.org] which includes a brief line for URLResolver.
There's also an RFC Protocol page that's similar.
Whether that's what's going here is anybody's guess.
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