Template:GetFallback
This template returns a fallback language of a given language:
| af = nl | als = de | br | co | oc = fr | ca | eu = es | crh-cyrl | crh-latn = crh | de-formal | de-at | de-ch = de | hif-deva | hif-latn = hif | ike-cans | ike-latn = ike | ksh = de | kk-arab | kk-cyrl | kk-latn | kk-cn | kk-kz | kk-tr = kk | ku-latn | ku-arab = ku | mg = fr | nds = nds-nl | nds-nl = nds | pdt = nds | pt-br = pt | pt = pt-br | ruq-cyrl | ruq-grek | ruq-latn = ruq | sr-ec | sr-el = sr | tg-cyrl | tg-latn = tg | tt-cyrl | tt-latn = tt | vec = it | yi = he | zh | zh-cn | zh-hans | zh-hk | zh-mo | zh-my | zh-sg | zh-tw = zh-hant | en-gb | #default = en