plackup -e 'use Encode; use URI::Escape; sub { [200, ["Content-Type" => "text/html; charset=utf-8"], [ decode("UTF-8", uri_unescape("%C2%A3")) ]]}' HTTP::Server::PSGI: Accepting connections at http://0:5000/ -- Error: Body must be bytes and should not contain wide characters (UTF-8 strings) at /usr/local/lib/perl5/site_perl/5.14.0/Plack/Middleware/Lint.pm line 153