まんま >> require 'mechanize' => true >> uri = URI.parse('http://current.com/') => #<URI::HTTP:0xb746a82c URL:http://current.com/> >> Mechanize::Page::Meta.parse("5;url=http://example.com/", uri) => ["5", "http://example.com/"] >> Mechanize::Page::Meta.parse("5;url=", uri) => ["5", "h</uri::http:0xb746a82c>…