Merge pull request #19 from duboism/undeclared_property

Declare property blockparents

Author: duboism

HTML/Template/IT.php

@@ -271,6 +271,13 @@ class HTML_Template_IT
      */
     var $blockinner = array();
 
+    /**
+     * Array of parent block of a block.
+     * @var      array
+     * @access   private
+     */
+    var $blockparents = array();
+
     /**
      * List of blocks to preverse even if they are "empty".
      *