# File lib/rmail/header.rb, line 480
    def match(name, value)
      massage_match_args(name, value) { |name, value|
        header = RMail::Header.new
        found = each { |n, v|
          if n.downcase =~ name  &&  value =~ v
            header[n] = v
          end
        }
        header
      }
    end