Check that 'd' isn't allowed as an exponent specifier in inputs to the float function.
diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py
index b043c4d..b0f353b 100644
--- a/Lib/test/test_float.py
+++ b/Lib/test/test_float.py
@@ -104,6 +104,9 @@
self.assertRaises(ValueError, float, "+-3.14")
self.assertRaises(ValueError, float, "-+3.14")
self.assertRaises(ValueError, float, "--3.14")
+ # check that we don't accept alternate exponent markers
+ self.assertRaises(ValueError, float, "-1.7d29")
+ self.assertRaises(ValueError, float, "3D-14")
if test_support.have_unicode:
self.assertEqual(float(unicode(" 3.14 ")), 3.14)
self.assertEqual(float(unicode(" \u0663.\u0661\u0664 ",'raw-unicode-escape')), 3.14)