parse (WWW::Mechanize::Page::Meta)

    # File lib/www/mechanize/page/meta.rb, line 32
              def parse(content, uri)
                if content && content =~ CONTENT_REGEXP
                  delay, url = $1, $3

                  url = case url
                  when nil, "" then uri.to_s
                  when /^http/i then url
                  else "http://#{uri.host}#{url}"
                  end

                  block_given? ? yield(delay, url) : [delay, url]
                else
                  nil
                end
              end