| exc_info | You shouldn't need to | Exception tuple (à la ``sys.exc_info``) or, |
| | format this yourself. | if no exception has occurred, ``None``. |
+----------------+-------------------------+-----------------------------------------------+
+| exc_text | You shouldn't need to | Exception information formatted as a string. |
+| | format this yourself. | This is set when :meth:`Formatter.format` is |
+| | | invoked, or ``None`` if no exception has |
+| | | occurred. |
++----------------+-------------------------+-----------------------------------------------+
| filename | ``%(filename)s`` | Filename portion of ``pathname``. |
+----------------+-------------------------+-----------------------------------------------+
| funcName | ``%(funcName)s`` | Name of function containing the logging call. |