Issue #22558: Add remaining doc links to source code for Python-coded modules.
Reformat header above separator line (added if missing) to a common format.
Patch by Yoni Lavi.
diff --git a/Doc/library/locale.rst b/Doc/library/locale.rst
index dd17d4f..5aaf4a3 100644
--- a/Doc/library/locale.rst
+++ b/Doc/library/locale.rst
@@ -3,9 +3,13 @@
 
 .. module:: locale
    :synopsis: Internationalization services.
+
 .. moduleauthor:: Martin von Löwis <martin@v.loewis.de>
 .. sectionauthor:: Martin von Löwis <martin@v.loewis.de>
 
+**Source code:** :source:`Lib/locale.py`
+
+--------------
 
 The :mod:`locale` module opens access to the POSIX locale database and
 functionality. The POSIX locale mechanism allows programmers to deal with