#1433694: minidom's .normalize() failed to set .nextSibling for last element.
Fix by Malte Helmert
diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
index a6d309f..4ace1eb 100644
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -806,6 +806,14 @@
             "testNormalize -- single empty node removed")
     doc.unlink()
 
+def testBug1433694():
+    doc = parseString("<o><i/>t</o>")
+    node = doc.documentElement
+    node.childNodes[1].nodeValue = ""
+    node.normalize()
+    confirm(node.childNodes[-1].nextSibling == None,
+            "Final child's .nextSibling should be None")
+
 def testSiblings():
     doc = parseString("<doc><?pi?>text?<elm/></doc>")
     root = doc.documentElement
diff --git a/Lib/xml/dom/minidom.py b/Lib/xml/dom/minidom.py
index 3a35781..b94a4c7 100644
--- a/Lib/xml/dom/minidom.py
+++ b/Lib/xml/dom/minidom.py
@@ -203,6 +203,8 @@
                 L.append(child)
                 if child.nodeType == Node.ELEMENT_NODE:
                     child.normalize()
+        if L:
+            L[-1].nextSibling = None
         self.childNodes[:] = L
 
     def cloneNode(self, deep):