Trey Jones, 10/09/2015 18:18:
Eswiki has added Wikidata results to the bottom of every search page. For example: https://es.wikipedia.org/w/index.php?title=Especial%3ABuscar&profile=def...
It's wdsearch, which some wikis have been using since 2013: http://magnusmanske.de/wordpress/?p=108 Cf. https://phabricator.wikimedia.org/T46038#932091
Nemo