[3.8] [doc] Document logging.basicConfig default format (GH-23710) (GH-24847)

(cherry picked from commit 35cacce5253c50eed0d285836f9ca0ac568991ca)

diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst
index 5bbbd443a9887b8b198add907bfc56e4476ab30b..0a6b0d290fdfad7d4de4effbe5e16d1eefbf2c8d 100644 (file)
--- a/Doc/library/logging.rst
+++ b/Doc/library/logging.rst
@@ -1161,7 +1161,9 @@ functions.
    |              | to ``'a'``.                                 |
    +--------------+---------------------------------------------+
    | *format*     | Use the specified format string for the     |
-   |              | handler.                                    |
+   |              | handler. Defaults to attributes             |
+   |              | ``levelname``, ``name`` and ``message``     |
+   |              | separated by colons.                        |
    +--------------+---------------------------------------------+
    | *datefmt*    | Use the specified date/time format, as      |
    |              | accepted by :func:`time.strftime`.          |