[1] [CITE@en[[[Unicode support]] — The Linux Kernel documentation]], [TIME[2021-04-25T21:06:20.000Z]], [TIME[2023-04-12T05:19:45.621Z]] <https://www.kernel.org/doc/html/v5.12/admin-guide/unicode.html>

[2] 
関連:
[[PUA]],
[[CSUR]]