The tzm.json file was committed in 2014-06-26 and has over 600 lines,
but the language can't be selected in Special:Preferences.
Change-Id: Ie362dbd46132397763382bf102b17e63c6a088cb
'tw' => 'Twi', # Twi, (FIXME!)
'ty' => 'reo tahiti', # Tahitian
'tyv' => 'тыва дыл', # Tyvan
+ 'tzm' => 'ⵜⴰⵎⴰⵣⵉⵖⵜ', # Tamazight
'udm' => 'удмурт', # Udmurt
'ug' => 'ئۇيغۇرچە / Uyghurche', # Uyghur (multiple scripts - defaults to Arabic)
'ug-arab' => 'ئۇيغۇرچە', # Uyghur (Arabic script) (default)