-# schema/ddl.py
+# sql/ddl.py
# Copyright (C) 2009-2013 the SQLAlchemy authors and contributors <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
-# schema/dml.py
+# sql/dml.py
# Copyright (C) 2009-2013 the SQLAlchemy authors and contributors <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
+# sql/elements.py
+# Copyright (C) 2005-2013 the SQLAlchemy authors and contributors <see AUTHORS file>
+#
+# This module is part of SQLAlchemy and is released under
+# the MIT License: http://www.opensource.org/licenses/mit-license.php
+
+"""Core SQL expression elements, including :class:`.ClauseElement`,
+:class:`.ColumnElement`, and derived classes.
+
+"""
+
+
from __future__ import unicode_literals
from .. import util, exc, inspection
-# sqlalchemy/schema.py
+# sql/schema.py
# Copyright (C) 2005-2013 the SQLAlchemy authors and contributors <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
-# sqlalchemy/types.py
+# sql/sqltypes.py
# Copyright (C) 2005-2013 the SQLAlchemy authors and contributors <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
-# sqlalchemy/types_base.py
+# sql/types_api.py
# Copyright (C) 2005-2013 the SQLAlchemy authors and contributors <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under