am 5f5cf779: am fe653b68: am 3d5b4b8c: am a06feb5d: am b98e5bb9: am 32bd1410: am 4df667f4: Add devsite-compatible lang ids to whitelist and add a redirect for the old uppercase ids.

* commit '5f5cf779958f3f46f67f6cb0ef61d04b1a19bbb0':