(1) Go to http://en.wikipedia.org/w/index.php?title=& which triggers "Wikimedia Error"
(2) Click 廣東話 below, zh-yue, zh-hans and zh-hant are left there.
(3) Click 繁體中文, zh-yue disappears.
(4) Click 简体中文, only zh-hans appears.
(5) Click 廣東話, only zh-yue appears.
(6) Click 繁體中文, nothing is there now.
Version: unspecified
Severity: enhancement
See Also:
T14302: 404, 503 error pages should be localised