======================================================================
ERROR: tests.test_ling.test_glibc_supported('C.UTF-8',)
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Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)
File ".../i18nspector/tests/test_ling.py", line 416, in t
lang = L.parse_language(l)
File ".../i18nspector/lib/ling.py", line 309, in parse_language
raise LanguageSyntaxError
lib.ling.LanguageSyntaxError
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Seen on Ubuntu 22.04: