* Generate and use thumbnails suitable for screens with 1.5 and 2.0 pixel densities.
*
* This means a 320x240 use of an image on the wiki will also generate 480x360 and 640x480
- * thumbnails, output via data-src-1-5 and data-src-2-0. Runtime JavaScript switches the
- * images in after loading the original low-resolution versions depending on the reported
- * window.devicePixelRatio.
+ * thumbnails, output via the srcset attribute.
+ *
+ * On older browsers, a JavaScript polyfill switches the appropriate images in after loading
+ * the original low-resolution versions depending on the reported window.devicePixelRatio.
+ * The polyfill can be found in the jquery.hidpi module.
*/
$wgResponsiveImages = true;