or download this
TRACE: CGI::Application::new( 'CGI::Application::Loop' )
TRACE: +-CGI::Application::header_type( bless( {}, 'CGI::Application::
+Loop' ), 'header' )
...
: | | }, 'CGI' ),
: | | __CURRENT_RUNMODE => 'start'
: | | }, 'CGI::Application::Loop' ) )