Steps to reproduce:

1. visit hu.wikipedia.org
2. type "WP:T" in the search box

Expected: [[hu:WP:T]] (a redirect to [[hu:Wikipédia:Törlésre javasolt lapok]]) is suggested

Actual: no suggestions appear

The AJAX request sent by the search box handler is
https://hu.wikipedia.org/w/api.php?action=opensearch&format=json&search=WP%3AT&namespace=0&suggest=

The response is
["WP:T",[]]

Version: unspecified
Severity: normal