Add link to PEP 236.

diff --git a/Doc/reference/simple_stmts.rst b/Doc/reference/simple_stmts.rst
index 6ae031739fe393e291e8872429375eb87e9edbdf..beb4623bf2f69a9a5a4fd145aba32708ac121e77 100644 (file)
--- a/Doc/reference/simple_stmts.rst
+++ b/Doc/reference/simple_stmts.rst
@@ -907,6 +907,11 @@ for the rest of the interpreter session.  If an interpreter is started with the
 a future statement, it will be in effect in the interactive session started
 after the script is executed.
 
+.. seealso::
+
+   :pep:`236` - Back to the __future__
+      The original proposal for the __future__ mechanism.
+
 
 .. _global: