The file is being used by the theme and is called in the functions.php. Here is the function that is calling it:
/* REQUIRED IE8 COMPATIBILITY SCRIPTS
================================================== */
if (!function_exists(‘sf_html5_ie_scripts’)) {
function sf_html5_ie_scripts() {
$theme_url = get_template_directory_uri();
$ie_scripts = ”;
$ie_scripts .= ‘<!–[if lt IE 9]>’;
$ie_scripts .= ‘<script data-cfasync=”false” src=”‘.$theme_url.’/js/respond.min.js”></script>’;
$ie_scripts .= ‘<script data-cfasync=”false” src=”‘.$theme_url.’/js/html5shiv.js”></script>’;
$ie_scripts .= ‘<script data-cfasync=”false” src=”‘.$theme_url.’/js/excanvas.compiled.js”></script>’;
$ie_scripts .= ‘<script data-cfasync=”false” src=”‘.$theme_url.’/js/background_size_emu.js”></script>’;
$ie_scripts .= ‘<![endif]–>’;
echo $ie_scripts;
}
add_action(‘wp_head’, ‘sf_html5_ie_scripts’);
}
.