/**
* Convert a UTF-8 string to normal form KD, compatibility decomposition.
* This may cause irreversible information loss, use judiciously.
* Fast return for pure ASCII strings.
*
* @param string $string a valid UTF-8 string. Input is not validated.
* @return string a UTF-8 string in normal form KD
*/
static function toNFKD($string)
{
return Validator::toNFKD($string);
}
