# File lib/rbot/ircbot.rb, line 16
def rawlog(level, message=nil, who_pos=1)
  call_stack = caller
  if call_stack.length > who_pos
    who = call_stack[who_pos].sub(%r{(?:.+)/([^/]+):(\d+)(:in .*)?}) { "#{$1}:#{$2}#{$3}" }
  else
    who = "(unknown)"
  end
  # Output each line. To distinguish between separate messages and multi-line
  # messages originating at the same time, we blank #{who} after the first message
  # is output.
  message.to_s.each_line { |l|
    $logger.add(level, l.chomp, who)
    who.gsub!(/./," ")
  }
end