# File lib/www/mechanize/util.rb, line 13
        def html_unescape(s)
          return s unless s
          s.gsub(/&(\w+|#[0-9]+);/) { |match|
            number = case match
            when /&(\w+);/
              Mechanize.html_parser::NamedCharacters[$1]
            when /&#([0-9]+);/
              $1.to_i
            end
  
            number ? ([number].pack('U') rescue match) : match
          }
        end