38   var $_postponed;  variable in OutputDriverGeneric
51     $this->_postponed = array();
57     $this->_postponed[] =& $box;
61     $size = count($this->_postponed);
63       $box =& $this->_postponed[$i];
73     $size = count($this->_postponed);
75       $box =& $this->_postponed[$i];
88     $size = count($this->_postponed);
90       $box =& $this->_postponed[$i];
106     $this->_postponed = array();
307     $this->_postponed = array();