code: def parse_content(self, text):
          
          match = re.search(
              self.usage_re_str.format(self.usage_name),
              text,
              flags=(re.DOTALL
                     if self.case_sensitive
                     else (re.DOTALL | re.IGNORECASE)))
  
          if match is None:
              return
  
          dic = match.groupdict()
          logger.debug(dic)
          self.raw_content = dic['raw']
          if dic['sep'] in ('\n', '\r\n'):
              self.formal_content = dic['section']
              return
  
          reallen = len(dic['name'])
          replace = ''.ljust(reallen)
          drop_name = match.expand('%s\\g<sep>\\g<section>' % replace)
          self.formal_content = self.drop_started_empty_lines(drop_name).rstrip()
docs: get Usage section and set to `raw_content`, `formal_content` of no
          title and empty-line version