system_send_email_action_validate($form, $form_state)Validate system_send_email_action form submissions.
modules/system/system.module, line 2895
<?php
function system_send_email_action_validate($form, $form_state) {
$form_values = $form_state['values'];
// Validate the configuration form.
if (!valid_email_address($form_values['recipient']) && $form_values['recipient'] != '%author') {
// We want the literal %author placeholder to be emphasized in the error message.
form_set_error('recipient', t('Enter a valid email address or %author.', array('%author' => '%author')));
}
}
?>