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This is an interesting workaround. It "works" because it prevents Data::Dumper from seeing the hiragana letter at all. Instead it sees three separate bytes: 0xE3, 0x81, 0x82 and outputs them separately. The terminal then reads those bytes and, assuming it's set to display UTF-8, reassembles them into a single hiragana character.

It breaks down if you set $Data::Dumper::Useqq to true.

perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

In reply to Re^2: utf8 characters in Data::Dumper by tobyink
in thread utf8 characters in Data::Dumper by remiah

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