Process the summary arguments for display.
For example, the validation plugin may want to alter an argument for use in the URL.
function process_summary_arguments(&$args) {
if ($this->options['validate']['type'] != 'none') {
if (isset($this->validator) || ($this->validator = $this
->get_plugin('argument_validator'))) {
$this->validator
->process_summary_arguments($args);
}
}
}