/**
 * Return the text-format setting scope class
 * @return 		{String} 		The text-format scope class from settings.text-format.scope-class
 * @author 		Olivier Bossel <olivier.bossel@gmail.com> (https://olivierbossel.com)
 */
@function s-text-format-class() {
  @return s-setting("text-format.scope-class");
}