diff --git a/Doc/includes/minidom-example.py b/Doc/includes/minidom-example.py
index c30c4e0..4bca949 100644
--- a/Doc/includes/minidom-example.py
+++ b/Doc/includes/minidom-example.py
@@ -19,11 +19,11 @@
 dom = xml.dom.minidom.parseString(document)
 
 def getText(nodelist):
-    rc = ""
+    rc = []
     for node in nodelist:
         if node.nodeType == node.TEXT_NODE:
-            rc = rc + node.data
-    return rc
+            rc.append(node.data)
+    return ''.join(rc)
 
 def handleSlideshow(slideshow):
     print "<html>"