Braces example for multiline conditionals (python#284)

* Braces example for multiline conditionals.

Closes python#283

pep-0007.txt

@@ -2,7 +2,7 @@ PEP: 7
 Title: Style Guide for C Code
 Version: $Revision$
 Last-Modified: $Date$
-Author: Guido van Rossum <guido@python.org>
+Author: Guido van Rossum <guido@python.org>, Barry Warsaw <barry@python.org>
 Status: Active
 Type: Process
 Content-Type: text/x-rst
@@ -124,11 +124,13 @@ Code lay-out
                    type->tp_name);
 
 * When you break a long expression at a binary operator, the
-  operator goes at the end of the previous line, e.g.::
+  operator goes at the end of the previous line, and braces should be
+  formatted as shown.  E.g.::
 
       if (type->tp_dictoffset != 0 && base->tp_dictoffset == 0 &&
           type->tp_dictoffset == b_size &&
-          (size_t)t_size == b_size + sizeof(PyObject *)) {
+          (size_t)t_size == b_size + sizeof(PyObject *))
+      {
           return 0; /* "Forgive" adding a __dict__ only */
       }