text: """
  Replace some word with some other word in a message before sending it.
  
  Configuration example
  ---------------------
  .. code-block:: ini
  
  [replace_word]
  # How to appear casual in your daily conversations.
  yes = yep
  no = nope
  
  Usage
  -----
  Just use the word in a message. It will be replaced automatically.
  
  """
  
  from plugin import BasePlugin
  import re
  
  class Plugin(BasePlugin):
      def init(self):
          self.api.add_event_handler('conversation_say', self.replace_pattern)
          self.api.add_event_handler('muc_say', self.replace_pattern)
          self.api.add_event_handler('private_say', self.replace_pattern)
  
      def replace_pattern(self, message, tab):
          """
          Look for a given word in the message and replace it by the corresponding word.
          """
          body = message['body']
          for before in self.config.options("replace_word"):
              after = self.config.get(before, before)
              body = re.sub(r"\b%s\b" % before, after, body)
          message['body'] = body
  