code: func (c *ConfigFile) GetSectionComments(section string) (comments string) {
  	// Blank section name represents DEFAULT section.
  	if len(section) == 0 {
  		section = DEFAULT_SECTION
  	}
  	return c.sectionComments[section]
  }
docs: // GetSectionComments returns the comments in the given section.
  // It returns an empty string(0 length) if the comments do not exist.