=== modified file 'Lib/test/test_minidom.py'
--- Lib/test/test_minidom.py	2008-05-23 15:18:28 +0000
+++ Lib/test/test_minidom.py	2009-03-13 02:18:50 +0000
@@ -790,6 +790,69 @@
                 "testNormalize -- single empty node removed")
         doc.unlink()
 
+    def testNormalize2(self):
+        doc = parseString("<doc>"
+                            "<o>"
+                              "<i/>"
+                              "t"
+                              #
+                              #x
+                            "</o>"
+                            "<o>"
+                              "<o>"
+                                "t2"
+                                #x2
+                              "</o>"
+                              "t3"
+                              #x3
+                            "</o>"
+                            #
+                          "</doc>")
+        root = doc.documentElement
+        root.childNodes[0].appendChild(doc.createTextNode(""))
+        root.childNodes[0].appendChild(doc.createTextNode("x"))
+        root.childNodes[1].childNodes[0].appendChild(doc.createTextNode("x2"))
+        root.childNodes[1].appendChild(doc.createTextNode("x3"))
+        root.appendChild(doc.createTextNode(""))
+        self.confirm(len(root.childNodes) == 3
+                and root.childNodes.length == 3
+                and len(root.childNodes[0].childNodes) == 4
+                and root.childNodes[0].childNodes.length == 4
+                and len(root.childNodes[1].childNodes) == 3
+                and root.childNodes[1].childNodes.length == 3
+                and len(root.childNodes[1].childNodes[0].childNodes) == 2
+                and root.childNodes[1].childNodes[0].childNodes.length == 2
+                , "testNormalize2 -- preparation")
+        doc.normalize()
+        self.confirm(len(root.childNodes) == 2
+                and root.childNodes.length == 2
+                and len(root.childNodes[0].childNodes) == 2
+                and root.childNodes[0].childNodes.length == 2
+                and len(root.childNodes[1].childNodes) == 2
+                and root.childNodes[1].childNodes.length == 2
+                and len(root.childNodes[1].childNodes[0].childNodes) == 1
+                and root.childNodes[1].childNodes[0].childNodes.length == 1
+                , "testNormalize2 -- childNodes lengths")
+        self.confirm(root.childNodes[0].childNodes[1].data == "tx"
+                and root.childNodes[1].childNodes[0].childNodes[0].data == "t2x2"
+                and root.childNodes[1].childNodes[1].data == "t3x3"
+                , "testNormalize2 -- joined text fields")
+        self.confirm(root.childNodes[0].childNodes[1].nextSibling is None
+                and root.childNodes[0].childNodes[1].previousSibling
+                        is root.childNodes[0].childNodes[0]
+                and root.childNodes[0].childNodes[0].previousSibling is None
+                and root.childNodes[0].childNodes[0].nextSibling
+                        is root.childNodes[0].childNodes[1]
+                and root.childNodes[1].childNodes[1].nextSibling is None
+                and root.childNodes[1].childNodes[1].previousSibling
+                        is root.childNodes[1].childNodes[0]
+                and root.childNodes[1].childNodes[0].previousSibling is None
+                and root.childNodes[1].childNodes[0].nextSibling
+                        is root.childNodes[1].childNodes[1]
+                , "testNormalize2 -- sibling pointers")
+        doc.unlink()
+
+
     def testBug1433694(self):
         doc = parseString("<o><i/>t</o>")
         node = doc.documentElement