[pull] main from python:main

Doc/library/doctest.rst

@@ -311,9 +311,13 @@ Which Docstrings Are Examined?
 The module docstring, and all function, class and method docstrings are
 searched.  Objects imported into the module are not searched.
 
+.. currentmodule:: None
+
 .. attribute:: module.__test__
    :no-typesetting:
 
+.. currentmodule:: doctest
+
 In addition, there are cases when you want tests to be part of a module but not part
 of the help text, which requires that the tests not be included in the docstring.
 Doctest looks for a module-level variable called ``__test__`` and uses it to locate other

Lib/doctest.py

@@ -1997,8 +1997,8 @@ def testmod(m=None, name=None, globs=None, verbose=None,
     from module m (or the current module if m is not supplied), starting
     with m.__doc__.
 
-    Also test examples reachable from dict m.__test__ if it exists and is
-    not None.  m.__test__ maps names to functions, classes and strings;
+    Also test examples reachable from dict m.__test__ if it exists.
+    m.__test__ maps names to functions, classes and strings;
     function and class docstrings are tested even if the name is private;
     strings are tested directly, as if they were docstrings.