yfix/yf

<?php

return [
    'versions' => [
        '1.4.2' => [
            'js' => '//cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.min.js',
        ],
    ],
    'config' => [
        'before' => '<!--[if lt IE 9]>',
        'after' => '<![endif]-->',
    ],
];