'<!--[if lte IE 7]><style> .help dl.legend dd {float:none} </style><![endif]-->',
!$showkeys ? '<style> .no {visibility:hidden} </style>' :
$showkeys eq 'ghost' ? '<style> .no, .alias {opacity:.5} </style>' : (),
- '<script type="text/javascript" src="/keys.js?1.6"></script>',
+ '<script type="text/javascript" src="/keys.js?1.6" async></script>',
) if $meta->{keys};
# leading output