Update copyright headers for 2023 (#1729)

Update copyright headers for 2023. This is a straight search-and-replace, replacing all matches for the regex pattern `-2022\b` with the string `-2023`.
enthought · Jul 10, 2023 · 2591b84 · 2591b84
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diff --git a/LICENSE.txt b/LICENSE.txt
@@ -1,7 +1,7 @@
 This software is OSI Certified Open Source Software.
 OSI Certified is a certification mark of the Open Source Initiative.
 
-(C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+(C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

diff --git a/docs/source/conf.py b/docs/source/conf.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD
@@ -62,7 +62,7 @@
 # General substitutions.
 project = "traits"
 copyright = """\
-(C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+(C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 All rights reserved.
 """
 

diff --git a/docs/source/traits_user_manual/index.rst b/docs/source/traits_user_manual/index.rst
@@ -3,7 +3,7 @@ Traits |version| User Manual
 ============================
 
 :Authors: David C. Morrill, Janet M. Swisher, and Enthought developers
-:Copyright: | (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+:Copyright: | (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
             | All rights reserved.
 
 Contents

diff --git a/etstool.py b/etstool.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/__init__.py b/examples/tutorials/doc_examples/__init__.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/__init__.py b/examples/tutorials/doc_examples/examples/__init__.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/adapt_metadata.py b/examples/tutorials/doc_examples/examples/adapt_metadata.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/add_class_trait.py b/examples/tutorials/doc_examples/examples/add_class_trait.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/all_traits_features.py b/examples/tutorials/doc_examples/examples/all_traits_features.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/all_wildcard.py b/examples/tutorials/doc_examples/examples/all_wildcard.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/bad_self_ref.py b/examples/tutorials/doc_examples/examples/bad_self_ref.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/cached_prop.py b/examples/tutorials/doc_examples/examples/cached_prop.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/circular_definition.py b/examples/tutorials/doc_examples/examples/circular_definition.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/compound.py b/examples/tutorials/doc_examples/examples/compound.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/configure_traits.py b/examples/tutorials/doc_examples/examples/configure_traits.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/custom_traithandler.py b/examples/tutorials/doc_examples/examples/custom_traithandler.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/deferring_notification.py b/examples/tutorials/doc_examples/examples/deferring_notification.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/delegate.py b/examples/tutorials/doc_examples/examples/delegate.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/disallow.py b/examples/tutorials/doc_examples/examples/disallow.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/dynamic_notification.py b/examples/tutorials/doc_examples/examples/dynamic_notification.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/event.py b/examples/tutorials/doc_examples/examples/event.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/instance_trait_defaults.py b/examples/tutorials/doc_examples/examples/instance_trait_defaults.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/interface_definition.py b/examples/tutorials/doc_examples/examples/interface_definition.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/interface_implementation.py b/examples/tutorials/doc_examples/examples/interface_implementation.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/keywords.py b/examples/tutorials/doc_examples/examples/keywords.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/list_notifier.py b/examples/tutorials/doc_examples/examples/list_notifier.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/mapped.py b/examples/tutorials/doc_examples/examples/mapped.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/metadata.py b/examples/tutorials/doc_examples/examples/metadata.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/minimal.py b/examples/tutorials/doc_examples/examples/minimal.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/object_trait_attrs.py b/examples/tutorials/doc_examples/examples/object_trait_attrs.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/observe_decorator.py b/examples/tutorials/doc_examples/examples/observe_decorator.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/observe_different_events.py b/examples/tutorials/doc_examples/examples/observe_different_events.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/observe_method.py b/examples/tutorials/doc_examples/examples/observe_method.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/observe_optional.py b/examples/tutorials/doc_examples/examples/observe_optional.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/observe_post_init.py b/examples/tutorials/doc_examples/examples/observe_post_init.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/override_default.py b/examples/tutorials/doc_examples/examples/override_default.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/post_init_notification.py b/examples/tutorials/doc_examples/examples/post_init_notification.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/prototype_prefix.py b/examples/tutorials/doc_examples/examples/prototype_prefix.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/simple_adapter.py b/examples/tutorials/doc_examples/examples/simple_adapter.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/static_notification.py b/examples/tutorials/doc_examples/examples/static_notification.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/temp_wildcard.py b/examples/tutorials/doc_examples/examples/temp_wildcard.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/this.py b/examples/tutorials/doc_examples/examples/this.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/trait_reuse.py b/examples/tutorials/doc_examples/examples/trait_reuse.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/trait_subclass.py b/examples/tutorials/doc_examples/examples/trait_subclass.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/transient_metadata.py b/examples/tutorials/doc_examples/examples/transient_metadata.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/use_custom_th.py b/examples/tutorials/doc_examples/examples/use_custom_th.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/widget.py b/examples/tutorials/doc_examples/examples/widget.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/wildcard.py b/examples/tutorials/doc_examples/examples/wildcard.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/wildcard_all.py b/examples/tutorials/doc_examples/examples/wildcard_all.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/wildcard_name.py b/examples/tutorials/doc_examples/examples/wildcard_name.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/wildcard_rules.py b/examples/tutorials/doc_examples/examples/wildcard_rules.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/doc_examples/examples/wizard.py b/examples/tutorials/doc_examples/examples/wizard.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/decorators/cached_property.py b/examples/tutorials/traits_4.0/decorators/cached_property.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/decorators/on_trait_change.py b/examples/tutorials/traits_4.0/decorators/on_trait_change.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/delegation/delegation.py b/examples/tutorials/traits_4.0/delegation/delegation.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/extended_trait_change/extended_trait_change.py b/examples/tutorials/traits_4.0/extended_trait_change/extended_trait_change.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/extended_trait_change/properties.py b/examples/tutorials/traits_4.0/extended_trait_change/properties.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/getstate_setstate/getstate.py b/examples/tutorials/traits_4.0/getstate_setstate/getstate.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/interfaces/interfaces.py b/examples/tutorials/traits_4.0/interfaces/interfaces.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/trait_types/core_traits.py b/examples/tutorials/traits_4.0/trait_types/core_traits.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/trait_types/new_types.py b/examples/tutorials/traits_4.0/trait_types/new_types.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/traits_4.0/trait_types/trait_types.py b/examples/tutorials/traits_4.0/trait_types/trait_types.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD

diff --git a/examples/tutorials/tutor.py b/examples/tutorials/tutor.py
@@ -1,4 +1,4 @@
-# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
+# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
 # All rights reserved.
 #
 # This software is provided without warranty under the terms of the BSD