NAME
    Plack::Middleware::Header - modify HTTP response headers

SYNOPSIS
      use Plack::Builder;
 
      my $app = sub {['200', [], ['hello']]};
      builder {
          enable 'Header',
            set => ['X-Plack-One' => '1'],
            append => ['X-Plack-Two' => '2'],
            unset => ['X-Plack-Three'];
          $app;
      };

DESCRIPTION
    Plack::Middleware::Header

AUTHOR
    Masahiro Chiba

LICENSE
    This library is free software; you can redistribute it and/or modify it
    under the same terms as Perl itself.

SEE ALSO
    Plack::Middleware Plack::Builder