[BUGFIX] Correct all chines language codes from "cn" to "zh"

in2code-de / ipandlanguageredirect

TYPO3 redirect - browserlanguage and ip-address based

GNU General Public License v3.0

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[BUGFIX] Correct all chines language codes from "cn" to "zh" #17

Closed koehnlein closed 5 years ago

koehnlein commented 5 years ago

The correct iso code for chinese language is "zh". The iso code "cn" does not exist as valid language code. It's the correct country iso code for People's Republic of China, but not for the language.