Added some documentation to new pjax attribute

framework/assets/pjax/jquery.pjax.js

@@ -44,6 +44,8 @@
 // event   - "click" jQuery.Event
 // options - pjax options
 //
+// If the click event target has 'data-pjax="0"' attribute, the event is ignored, and no pjax call is made.
+//
 // Examples
 //
 //   $(document).on('click', 'a', $.pjax.click)

framework/widgets/Pjax.php

@@ -25,6 +25,8 @@ use yii\web\Response;
  * You may configure [[linkSelector]] to specify which links should trigger pjax, and configure [[formSelector]]
  * to specify which form submission may trigger pjax.
  *
+ * You may disable pjax for a specific link inside the container by adding `data-pjax="0"` attribute to this link.
+ *
  * The following example shows how to use Pjax with the [[\yii\gridview\GridView]] widget so that the grid pagination,
  * sorting and filtering can be done via pjax:
  *