Kill off softspace completely (except in formatter.py which seems to have
a different feature with the same name).
The change to test_doctest.txt reduces the doctest failures to 3.
diff --git a/Lib/test/test_doctest.txt b/Lib/test/test_doctest.txt
index f8e851e..23446d1 100644
--- a/Lib/test/test_doctest.txt
+++ b/Lib/test/test_doctest.txt
@@ -9,9 +9,9 @@
 We can make this fail by disabling the blank-line feature.
 
   >>> if 1:
-  ...    print 'a'
-  ...    print
-  ...    print 'b'
+  ...    print('a')
+  ...    print()
+  ...    print('b')
   a
   <BLANKLINE>
   b