Index: Lib_new/genericpath.py
===================================================================
--- Lib_new/genericpath.py	(revision 74665)
+++ Lib_new/genericpath.py	(working copy)
@@ -96,8 +96,6 @@
 
     dotIndex = p.rfind(extsep)
     if dotIndex > sepIndex:
-        # skip all leading dots
-        filenameIndex = sepIndex + 1
         while filenameIndex < dotIndex:
             if p[filenameIndex:filenameIndex+1] != extsep:
                 return p[:dotIndex], p[dotIndex:]
Index: Lib_new/test/test_genericpath.py
===================================================================
--- Lib_new/test/test_genericpath.py	(revision 74665)
+++ Lib_new/test/test_genericpath.py	(working copy)
@@ -177,6 +177,19 @@
 
             self.assertRaises(TypeError, genericpath.samefile)
 
+    def test_splitext(self):
+        base, ext = genericpath._splitext("a/.ogg", "/", None, ".")
+        self.assertEqual(base, "a/")
+        self.assertEqual(ext, ".ogg")
+
+        base, ext = genericpath._splitext(".ogg", "/", None, ".")
+        self.assertEqual(base, "")
+        self.assertEqual(ext, ".ogg")
+
+        base, ext = genericpath._splitext("a/large/good/path.ogg", "/", None, ".")
+        self.assertEqual(base, "a/large/good/path")
+        self.assertEqual(ext, ".ogg")
+ 
 def test_main():
     support.run_unittest(AllCommonTest)