private function getIndexablePageFromAllUserPages(array &$indexable_pages)
{
$all_internal_pages = array_merge($this->getAllUserPages(), $this->wrapper->getProjectEmptyLinks());
foreach ($all_internal_pages as $internal_page_name) {
$wiki_page = new PHPWikiPage($this->gid, $internal_page_name);
if (!$wiki_page->isReferenced()) {
$indexable_pages[] = $wiki_page;
}
}
}
