def get_document(url)
      URI === url ? Nokogiri::HTML::Document.parse(open(url), url.to_s, 'UTF-8') : url
    rescue OpenURI::HTTPError
      $stderr.puts "ERROR opening #{url}"
      Nokogiri('')
    end
def get_document(url)
      URI === url ? Nokogiri::HTML::Document.parse(open(url), url.to_s, 'UTF-8') : url
    rescue OpenURI::HTTPError
      $stderr.puts "ERROR opening 
      Nokogiri('')
    end
def get_document ( url ) URI === url ? Nokogiri :: HTML :: Document . parse ( open ( url ) , url . to_s , 'UTF-8' ) : url rescue OpenURI :: HTTPError $stderr . puts "ERROR opening #{url}" Nokogiri ( '' ) end
open web pages with UTF-8 encoding
open web pages with UTF - 8 encoding