$pieces[] = $this->buildExemptModules();
$pieces = array_merge( $pieces, array_values( $this->getHeadLinksArray() ) );
$pieces = array_merge( $pieces, array_values( $this->mHeadItems ) );
+
+ $min = ResourceLoader::inDebugMode() ? '' : '.min';
+ // Use an IE conditional comment to serve the script only to old IE
+ $pieces[] = '<!--[if lt IE 9]>' .
+ Html::element( 'script', [
+ 'src' => self::transformResourcePath(
+ $this->getConfig(),
+ "/resources/lib/html5shiv/html5shiv{$min}.js"
+ ),
+ ] ) .
+ '<![endif]-->';
+
$pieces[] = Html::closeElement( 'head' );
$bodyClasses = [];