updated for version 7.3.991
Problem:    More can be shared by Python 2 and 3.
Solution:   Move more stuff to if_py_both. (ZyX)
diff --git a/src/testdir/test87.ok b/src/testdir/test87.ok
index ccf4a6c..bee93f9 100644
--- a/src/testdir/test87.ok
+++ b/src/testdir/test87.ok
@@ -59,10 +59,10 @@
 ['c', 1]
 ['d', ['e']]
 0.0
-"\0":	Vim(let):E861:
-{"\0": 1}:	Vim(let):E861:
+"\0":	Vim(let):E859:
+{"\0": 1}:	Vim(let):E859:
 undefined_name:	Vim(let):Trace
-vim:	Vim(let):E861:
+vim:	Vim(let):E859:
 [1]
 [1, 10, 11, 10, 11, 10, 11, 10, 11, 10, 11, 10, 1]
 Abc