code: func (c *Config) Comments(section string) []string {
  	if section == "" {
  		return c.comments
  	}
  	for _, sect := range c.sections {
  		if sect.name == section {
  			return sect.comments
  		}
  	}
  	return nil
  }
docs: // Comments returns the list of comments in a given section.
  // For the empty string, returns the file comments.