Comment cleanup.

TODO

@@ -34,7 +34,8 @@
 
 - Add error message to exception in frontend.
 
-# Now works:
+# The following now works:
+# "apia" no succesfully results in "a * pi * a"
 # int_(-3)^(3) \pi (3^2 - x^2) dx  ->  36pi
 # int_(-r)^(r) \pi (r^2 - x^2) dx  ->  4 / 3 * pi * r ^ 3
 # "&" instead of "^^"

tests/test_parser.py

@@ -128,7 +128,6 @@ class TestParser(RulesTestCase):
         self.assertEqual(tree('d/dx x ^ 2 + x'), der(exp, x) + x)
         self.assertEqual(tree('d/dx (x ^ 2 + x)'), der(exp + x, x))
         self.assertEqual(tree('d/d'), d / d)
-        # FIXME: self.assertEqual(tree('d(x ^ 2)/dx'), der(exp, x))
 
     def test_logarithm(self):
         x, g = tree('x, g')