utf8 (emphases added):

utf8 - Perl pragma to enable/disable UTF-8 (or UTF-EBCDIC) in source
code
...
The "use utf8" pragma tells the Perl parser to allow UTF-8 in the
program text in the current lexical scope ...

In reply to Re^2: Byte counts and Seek function by AnomalousMonk
in thread Byte counts and Seek function by Dr Manhattan

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