Answering myself again 

sub fixUTFness {
    use Data::Visitor::Callback;
    my $decodeVisitor = Data::Visitor::Callback->new(
        ignore_return_values => 1,
        value => sub { utf8::decode($_); return },
    );
    $decodeVisitor->visit( @_ );
}

[download]

then you get stuff like  print "Foo \x{2014} Bar"; and it all works

In reply to Re: unicode strings without decoding or warnings or corruption by Anonymous Monk
in thread unicode strings without decoding or warnings or corruption by Anonymous Monk

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