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--- nodeiterator.h.old	2002-02-24 15:37:17.000000000 -0500
+++ nodeiterator.h	2005-02-19 21:09:31.000000000 -0500
@@ -20,7 +20,7 @@
  */
 
  // $Id: nodeiterator.h.patch,v 1.1 2005/02/20 02:31:40 ribosome Exp $
- 
+
 /**
  * @file nodeiterator.h
  *
@@ -128,15 +128,15 @@
 
 template <class N> N *PreorderIterator<N>::begin ()
 {
-	cur = root;
-    return cur;
+	this->cur = this->root;
+    return this->cur;
 }
 
 template <class N> N *PreorderIterator<N>::next ()
 {
-	if (cur->GetChild())
+	if (this->cur->GetChild())
     {
-       	stk.push (cur);
+       	this->stk.push (cur);
        	N *p = (N *)(cur->GetChild());
         cur = p;
     }