Update pydoc topics and NEWS blurbs for 3.6.3rc1

Author: ned-deily

Lib/pydoc_data/topics.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Sat Jun 17 04:32:54 2017
+# Autogenerated by Sphinx on Mon Sep 18 23:00:11 2017
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'
@@ -8558,7 +8558,7 @@
                  '\n'
                  'The potential uses for metaclasses are boundless. Some ideas '
                  'that have\n'
-                 'been explored include logging, interface checking, '
+                 'been explored include enum, logging, interface checking, '
                  'automatic\n'
                  'delegation, automatic property creation, proxies, '
                  'frameworks, and\n'
@@ -10332,27 +10332,22 @@
           '*******************\n'
           '\n'
           'Any object can be tested for truth value, for use in an "if" or\n'
-          '"while" condition or as operand of the Boolean operations below. '
-          'The\n'
-          'following values are considered false:\n'
-          '\n'
-          '* "None"\n'
-          '\n'
-          '* "False"\n'
+          '"while" condition or as operand of the Boolean operations below.\n'
           '\n'
-          '* zero of any numeric type, for example, "0", "0.0", "0j".\n'
-          '\n'
-          '* any empty sequence, for example, "\'\'", "()", "[]".\n'
+          'By default, an object is considered true unless its class defines\n'
+          'either a "__bool__()" method that returns "False" or a "__len__()"\n'
+          'method that returns zero, when called with the object. [1]  Here '
+          'are\n'
+          'most of the built-in objects considered false:\n'
           '\n'
-          '* any empty mapping, for example, "{}".\n'
+          '* constants defined to be false: "None" and "False".\n'
           '\n'
-          '* instances of user-defined classes, if the class defines a\n'
-          '  "__bool__()" or "__len__()" method, when that method returns the\n'
-          '  integer zero or "bool" value "False". [1]\n'
+          '* zero of any numeric type: "0", "0.0", "0j", "Decimal(0)",\n'
+          '  "Fraction(0, 1)"\n'
           '\n'
-          'All other values are considered true --- so objects of many types '
-          'are\n'
-          'always true.\n'
+          '* empty sequences and collections: "\'\'", "()", "[]", "{}", '
+          '"set()",\n'
+          '  "range(0)"\n'
           '\n'
           'Operations and built-in functions that have a Boolean result '
           'always\n'
@@ -12401,7 +12396,7 @@
              'operations.\n'
              '   Lists also provide the following additional method:\n'
              '\n'
-             '   sort(*, key=None, reverse=None)\n'
+             '   sort(*, key=None, reverse=False)\n'
              '\n'
              '      This method sorts the list in place, using only "<" '
              'comparisons\n'