"Wide character in print" means you printed characters to a file handle (STDOUT) without converting them to bytes (or telling Perl how) first.

One simple way of telling Perl how to decode STDIN and encode STDOUT and STDERR is: 

use open ':std', ':locale';

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In reply to Re: Malformed UTF-8 character, TagLib by ikegami
in thread Malformed UTF-8 character, TagLib by Anonymous Monk

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