[issue31149] Add Japanese to the language switcher

[STINNER Victor]

STINNER Victor added the comment:

I reopen the issue: backport to 2.7 is still needed.

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status: closed -> open
versions: +Python 2.7, Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue31149>
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