public function handleAdditionalArguments(array $arguments)
{
$unassigned = array();
foreach ($arguments as $argumentName => $argumentValue) {
if (strpos($argumentName, 'data-') === 0) {
$this->tag->addAttribute($argumentName, $argumentValue);
} else {
$unassigned[$argumentName] = $argumentValue;
}
}
parent::handleAdditionalArguments($unassigned);
}