Changing the getVar method to get (only valid for 2.1)

Author: Sgoettschkes

cookbook/form/form_collections.rst

@@ -321,7 +321,7 @@ new "tag" forms. To render it, make the following change to your template:
 
     .. code-block:: html+php
 
-        <ul class="tags" data-prototype="<?php echo $view->escape($view['form']->row($form['tags']->getVar('prototype'))) ?>">
+        <ul class="tags" data-prototype="<?php echo $view->escape($view['form']->row($form['tags']->get('prototype'))) ?>">
             ...
         </ul>