Last round of adapting style of documenting argument default values.
diff --git a/Doc/library/test.rst b/Doc/library/test.rst
index 353715b..cc7ff4d 100644
--- a/Doc/library/test.rst
+++ b/Doc/library/test.rst
@@ -1,4 +1,3 @@
-
:mod:`test` --- Regression tests package for Python
===================================================
@@ -180,7 +179,7 @@
:mod:`test.support` --- Utility functions for tests
-========================================================
+===================================================
.. module:: test.support
:synopsis: Support for Python regression tests.
@@ -247,7 +246,7 @@
tests.
-.. function:: requires(resource[, msg])
+.. function:: requires(resource, msg=None)
Raises :exc:`ResourceDenied` if *resource* is not available. *msg* is the
argument to :exc:`ResourceDenied` if it is raised. Always returns true if called
@@ -372,7 +371,7 @@
The :mod:`test.support` module defines the following classes:
-.. class:: TransientResource(exc[, **kwargs])
+.. class:: TransientResource(exc, **kwargs)
Instances are a context manager that raises :exc:`ResourceDenied` if the
specified exception type is raised. Any keyword arguments are treated as