patch 7.4.2350
Problem:    Test 86 and 87 fail with some version of Python.
Solution:   Unify "can't" and "cannot".  Unify quotes.
diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index 6d561ec..4e6c4e0 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -628,7 +628,7 @@
 test86.in
 > Output
 >> OutputSetattr
-del sys.stdout.softspace:AttributeError:("can't delete OutputObject attributes",)
+del sys.stdout.softspace:AttributeError:('cannot delete OutputObject attributes',)
 >>> Testing NumberToLong using sys.stdout.softspace = %s
 sys.stdout.softspace = []:TypeError:('expected int(), long() or something supporting coercing to long(), but got list',)
 sys.stdout.softspace = None:TypeError:('expected int(), long() or something supporting coercing to long(), but got NoneType',)