See perlrun#* C [_number/list_]* and open 
use open         # make these handles 
         ':std', # STDIN/STDOUT/STDERR
         'IO',   # and any I open
         ':encoding(UTF-8)'; # use strict UTF-8

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And don't use is_utf8 :) perlunitut: Unicode in Perl#What about the UTF-8 flag?

In reply to Re^3: HTML::Entities and Unicode quotes by Anonymous Monk
in thread HTML::Entities and Unicode quotes by tod222

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