Mark deprecated modules as such.
diff --git a/Doc/documenting/markup.rst b/Doc/documenting/markup.rst
index 831fad9..ce042a5 100644
--- a/Doc/documenting/markup.rst
+++ b/Doc/documenting/markup.rst
@@ -79,6 +79,9 @@
    The ``synopsis`` option should consist of one sentence describing the
    module's purpose -- it is currently only used in the Global Module Index.
 
+   The ``deprecated`` option can be given (with no value) to mark a module as
+   deprecated; it will be designated as such in various locations then.
+
 .. describe:: moduleauthor
 
    The ``moduleauthor`` directive, which can appear multiple times, names the
@@ -333,6 +336,13 @@
 ``:func:`foo.filter``` clearly refers to the ``filter`` function in the ``foo``
 module.
 
+Normally, names in these roles are searched first without any further
+qualification, then with the current module name prepended, then with the
+current module and class name (if any) prepended.  If you prefix the name with a
+dot, this order is reversed.  For example, in the documentation of the
+:mod:`codecs` module, ``:func:`open``` always refers to the built-in function,
+while ``:func:`.open``` refers to :func:`codecs.open`.
+
 A similar heuristic is used to determine whether the name is an attribute of
 the currently documented class.