diff --git a/COPYRIGHT b/COPYRIGHT
index ff89e944..29e42e15 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -3,7 +3,7 @@ THE REMIND COPYRIGHT
 1. REMIND refers to the entire set of files and documentation in the
 REMIND package.
 
-2. REMIND is Copyright 1992-2022 Dianne Skoll, except where noted in
+2. REMIND is Copyright 1992-2023 Dianne Skoll, except where noted in
 individual files.
 
 3. DISTRIBUTION AND USE
diff --git a/examples/defs.rem b/examples/defs.rem
index abf4e88c..2b5c251f 100644
--- a/examples/defs.rem
+++ b/examples/defs.rem
@@ -16,7 +16,7 @@
 #  "#PSSTUFF" for nifty PostScript examples				    #
 # 									    #
 # This file is part of REMIND.						    #
-# Copyright (C) 1992-2022 Dianne Skoll                                      #
+# Copyright (C) 1992-2023 Dianne Skoll                                      #
 # SPDX-License-Identifier: GPL-2.0-only
 # 									    #
 #############################################################################
diff --git a/include/ansitext.rem b/include/ansitext.rem
index c7797f37..763c748e 100644
--- a/include/ansitext.rem
+++ b/include/ansitext.rem
@@ -2,7 +2,7 @@
 # Not all sequences are supported by all terminals.
 
 # This file is part of REMIND
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # SPDX-License-Identifier: GPL-2.0-only
 
 if !defined("ansi_bold")
diff --git a/include/holidays/us.rem b/include/holidays/us.rem
index 58f68d1e..096a87ed 100644
--- a/include/holidays/us.rem
+++ b/include/holidays/us.rem
@@ -1,6 +1,6 @@
 # US holidays
 # This file is part of REMIND.
-# Copyright (C) 1992-2022 Dianne Skoll
+# Copyright (C) 1992-2023 Dianne Skoll
 # SPDX-License-Identifier: GPL-2.0-only
 
 REM  [easterdate($Uy)-46] MSG Ash Wednesday
diff --git a/include/lang/da.rem b/include/lang/da.rem
index 51478524..557aff75 100644
--- a/include/lang/da.rem
+++ b/include/lang/da.rem
@@ -1,6 +1,6 @@
 # Support for the Danish language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Mogens Lynnerup.
 
 SET $Sunday "Søndag"
diff --git a/include/lang/de.rem b/include/lang/de.rem
index 65866c72..bde09ca2 100644
--- a/include/lang/de.rem
+++ b/include/lang/de.rem
@@ -1,6 +1,6 @@
 # Support for the German language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Wolfgang Thronicke
 
 # Day names
diff --git a/include/lang/en.rem b/include/lang/en.rem
index ab2c441a..c4dfe7ba 100644
--- a/include/lang/en.rem
+++ b/include/lang/en.rem
@@ -1,4 +1,4 @@
 # Support for the English language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # Nothing to do for English since it is the default.
diff --git a/include/lang/es.rem b/include/lang/es.rem
index 56c37c25..274c5ca3 100644
--- a/include/lang/es.rem
+++ b/include/lang/es.rem
@@ -1,6 +1,6 @@
 # Support for the Spanish language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Rafa Couto <rafacouto@biogate.com>
 
 SET $Sunday "Domingo"
diff --git a/include/lang/fi.rem b/include/lang/fi.rem
index e9dc8e67..3a9b0d93 100644
--- a/include/lang/fi.rem
+++ b/include/lang/fi.rem
@@ -1,6 +1,6 @@
 # Support for the Finnish language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Mikko Silvonen
 
 SET $Sunday "sunnuntai"
diff --git a/include/lang/fr.rem b/include/lang/fr.rem
index eb53fcdc..3f87e36b 100644
--- a/include/lang/fr.rem
+++ b/include/lang/fr.rem
@@ -1,6 +1,6 @@
 # Support for the French language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Laurent Duperval
 
 SET $Sunday "dimanche"
diff --git a/include/lang/is.rem b/include/lang/is.rem
index b76325ee..1670cc4c 100644
--- a/include/lang/is.rem
+++ b/include/lang/is.rem
@@ -1,6 +1,6 @@
 # Support for the Icelanding language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Björn Davíðsson (bjossi@snerpa.is)
 
 SET $Sunday "sunnudagur"
diff --git a/include/lang/it.rem b/include/lang/it.rem
index 7dd1927b..cf5fab87 100644
--- a/include/lang/it.rem
+++ b/include/lang/it.rem
@@ -1,6 +1,6 @@
 # Support for the Italian language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Valerio Aimale
 
 SET $Sunday "Domenica"
diff --git a/include/lang/nl.rem b/include/lang/nl.rem
index a582d027..cff346a8 100644
--- a/include/lang/nl.rem
+++ b/include/lang/nl.rem
@@ -1,6 +1,6 @@
 # Support for the Dutch language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Willem Kasdorp and Erik-Jan Vens
 
 SET $Sunday "zondag"
diff --git a/include/lang/no.rem b/include/lang/no.rem
index 8af4f78b..f079fe1d 100644
--- a/include/lang/no.rem
+++ b/include/lang/no.rem
@@ -1,6 +1,6 @@
 # Support for the Norwegian language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Trygve Randen
 
 SET $Sunday "Søndag"
diff --git a/include/lang/pl.rem b/include/lang/pl.rem
index 47406d95..6d8628a3 100644
--- a/include/lang/pl.rem
+++ b/include/lang/pl.rem
@@ -1,6 +1,6 @@
 # Support for the Polish language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Jerzy Sobczyk
 
 SET $Sunday "Niedziela"
diff --git a/include/lang/pt.rem b/include/lang/pt.rem
index def9bf97..65a9161e 100644
--- a/include/lang/pt.rem
+++ b/include/lang/pt.rem
@@ -1,6 +1,6 @@
 # Support for the (Brazilian) Portuguese language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Marco Paganini
 
 SET $Sunday "domingo"
diff --git a/include/lang/ro.rem b/include/lang/ro.rem
index c6ca6db5..64425dad 100644
--- a/include/lang/ro.rem
+++ b/include/lang/ro.rem
@@ -1,6 +1,6 @@
 # Support for the Romanian language.
 # This file is part of REMIND.
-# REMIND is Copyright (C) 1992-2022 by Dianne Skoll
+# REMIND is Copyright (C) 1992-2023 by Dianne Skoll
 # This file is derived from a translation by Liviu Daia
 
 SET $Sunday "Duminică"
diff --git a/man/tkremind.1.in b/man/tkremind.1.in
index aa0d8732..4822b5ed 100644
--- a/man/tkremind.1.in
+++ b/man/tkremind.1.in
@@ -419,7 +419,7 @@ This line is emitted in response to a \fBSTATUS\fR command.  The number
 .SH AUTHOR
 TkRemind was written by Dianne Skoll <dianne@skoll.ca>
 
-\fBTkRemind\fR is Copyright 1996-2022 by Dianne Skoll.
+\fBTkRemind\fR is Copyright 1996-2023 by Dianne Skoll.
 
 .SH FILES
 
diff --git a/scripts/tkremind b/scripts/tkremind
index fd6aa491..4e811454 100755
--- a/scripts/tkremind
+++ b/scripts/tkremind
@@ -8,7 +8,7 @@
 #   A cheesy graphical front/back end for Remind using Tcl/Tk
 #
 #   This file is part of REMIND.
-#   Copyright (C) 1992-2022 Dianne Skoll
+#   Copyright (C) 1992-2023 Dianne Skoll
 #
 #--------------------------------------------------------------
 
diff --git a/src/calendar.c b/src/calendar.c
index ebd5280b..ad2b5f5f 100644
--- a/src/calendar.c
+++ b/src/calendar.c
@@ -5,7 +5,7 @@
 /*  The code for generating a calendar.                        */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/custom.h b/src/custom.h
index 409ea96a..43039452 100644
--- a/src/custom.h
+++ b/src/custom.h
@@ -6,7 +6,7 @@
 /*  which you can customize.                                   */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/custom.h.in b/src/custom.h.in
index 409ea96a..43039452 100644
--- a/src/custom.h.in
+++ b/src/custom.h.in
@@ -6,7 +6,7 @@
 /*  which you can customize.                                   */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/dorem.c b/src/dorem.c
index cf159432..8d23c9d3 100644
--- a/src/dorem.c
+++ b/src/dorem.c
@@ -7,7 +7,7 @@
 /*  commands.                                                  */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/dosubst.c b/src/dosubst.c
index 14aca43b..941e777e 100644
--- a/src/dosubst.c
+++ b/src/dosubst.c
@@ -6,7 +6,7 @@
 /*  reminders are triggered.                                   */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/dynbuf.c b/src/dynbuf.c
index 76c1a8c0..1d73b88d 100644
--- a/src/dynbuf.c
+++ b/src/dynbuf.c
@@ -6,7 +6,7 @@
 /*  buffers.                                                   */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/dynbuf.h b/src/dynbuf.h
index d71b6648..e4c390fc 100644
--- a/src/dynbuf.h
+++ b/src/dynbuf.h
@@ -5,7 +5,7 @@
 /*  Declaration of functions for manipulating dynamic buffers  */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/err.h b/src/err.h
index 145a82ff..3102da28 100644
--- a/src/err.h
+++ b/src/err.h
@@ -5,7 +5,7 @@
 /*  Error definitions.                                         */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/expr.c b/src/expr.c
index ac4f3987..609bf30c 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -5,7 +5,7 @@
 /*  This file contains routines to parse and evaluate          */
 /*  expressions.                                               */
 /*                                                             */
-/*  Copyright 1992-2022 by Dianne Skoll                        */
+/*  Copyright 1992-2023 by Dianne Skoll                        */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/expr.h b/src/expr.h
index 0d8a14cf..67ab56db 100644
--- a/src/expr.h
+++ b/src/expr.h
@@ -5,7 +5,7 @@
 /*  Contains a few definitions used by expression evaluator.   */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/files.c b/src/files.c
index a421a333..9bcbdaac 100644
--- a/src/files.c
+++ b/src/files.c
@@ -7,7 +7,7 @@
 /*  files.                                                     */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/funcs.c b/src/funcs.c
index 725ac92d..0d99a547 100644
--- a/src/funcs.c
+++ b/src/funcs.c
@@ -6,7 +6,7 @@
 /*  expressions.                                               */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/globals.c b/src/globals.c
index 3144886c..ce947a1b 100644
--- a/src/globals.c
+++ b/src/globals.c
@@ -8,7 +8,7 @@
 /*  globals.h and err.h                                        */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/hbcal.c b/src/hbcal.c
index 15e422d5..c294f1fc 100644
--- a/src/hbcal.c
+++ b/src/hbcal.c
@@ -5,7 +5,7 @@
 /*  Support for the Hebrew calendar                            */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /*  Derived from code written by Amos Shapir in 1978; revised  */
diff --git a/src/init.c b/src/init.c
index 748a4cea..48f6f311 100644
--- a/src/init.c
+++ b/src/init.c
@@ -7,7 +7,7 @@
 /*  in normal mode.                                            */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
@@ -730,7 +730,7 @@ void InitRemind(int argc, char const *argv[])
 #ifndef L_USAGE_OVERRIDE
 void Usage(void)
 {
-    fprintf(ErrFp, "\nREMIND %s (%s version) Copyright 1992-2022 Dianne Skoll\n", VERSION, L_LANGNAME);
+    fprintf(ErrFp, "\nREMIND %s (%s version) Copyright 1992-2023 Dianne Skoll\n", VERSION, L_LANGNAME);
 #ifdef BETA
     fprintf(ErrFp, ">>>> BETA VERSION <<<<\n");
 #endif
diff --git a/src/lang.h b/src/lang.h
index d76a5151..342daeb8 100644
--- a/src/lang.h
+++ b/src/lang.h
@@ -5,7 +5,7 @@
 /*  Header file for language support for various languages.    */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/langs/danish.h b/src/langs/danish.h
index 8f5ebe34..216899c1 100644
--- a/src/langs/danish.h
+++ b/src/langs/danish.h
@@ -6,7 +6,7 @@
 /*                                                             */
 /*  This file is part of REMIND.                               */
 /*                                                             */
-/*  REMIND is Copyright (C) 1992-2022 by Dianne Skoll          */
+/*  REMIND is Copyright (C) 1992-2023 by Dianne Skoll          */
 /*  This file is Copyright (C) 1993 by Mogens Lynnerup.        */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
diff --git a/src/langs/dutch.h b/src/langs/dutch.h
index a95c9051..defe7005 100644
--- a/src/langs/dutch.h
+++ b/src/langs/dutch.h
@@ -11,7 +11,7 @@
 /*  Further corrections by Erik-Jan Vens                       */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/langs/english.h b/src/langs/english.h
index 5e25c919..13eb94e4 100644
--- a/src/langs/english.h
+++ b/src/langs/english.h
@@ -5,7 +5,7 @@
 /*  Support for the English language.                          */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/langs/finnish.h b/src/langs/finnish.h
index ec19af67..33c0569c 100644
--- a/src/langs/finnish.h
+++ b/src/langs/finnish.h
@@ -11,7 +11,7 @@
 /*                                                             */
 /*  This file is part of REMIND.                               */
 /*  This file is Copyright (C) 1993-1998 by Mikko Silvonen.    */
-/*  REMIND is Copyright (C) 1992-2022 by Dianne Skoll          */
+/*  REMIND is Copyright (C) 1992-2023 by Dianne Skoll          */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
@@ -254,7 +254,7 @@ EXTERN char *ErrMsg[] =
 #define L_USAGE_OVERRIDE 1
 void Usage(void)
 {
-    fprintf(ErrFp, "\nREMIND %s (%s version) Copyright 1992-2022 Dianne Skoll\n", VERSION, L_LANGNAME);
+    fprintf(ErrFp, "\nREMIND %s (%s version) Copyright 1992-2023 Dianne Skoll\n", VERSION, L_LANGNAME);
 #ifdef BETA
     fprintf(ErrFp, ">>>> BETAVERSIO <<<<\n");
 #endif
diff --git a/src/langs/french.h b/src/langs/french.h
index ac6d5e6f..f1572c2e 100644
--- a/src/langs/french.h
+++ b/src/langs/french.h
@@ -8,7 +8,7 @@
 /*                                                             */
 /*  This file is part of REMIND.                               */
 /*                                                             */
-/*  REMIND is Copyright (C) 1992-2022 by Dianne Skoll          */
+/*  REMIND is Copyright (C) 1992-2023 by Dianne Skoll          */
 /*  This file is Copyright (C) 1993 by Laurent Duperval and    */
 /*  Dianne Skoll.                                              */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
@@ -228,7 +228,7 @@ EXTERN char *ErrMsg[] =
 #define L_USAGE_OVERRIDE 1
 void Usage(void)
 {
-    fprintf(ErrFp, "\nREMIND %s (%s version) Copyright 1992-2022 Dianne Skoll\n", VERSION, L_LANGNAME);
+    fprintf(ErrFp, "\nREMIND %s (%s version) Copyright 1992-2023 Dianne Skoll\n", VERSION, L_LANGNAME);
 #ifdef BETA
     fprintf(ErrFp, ">>>> BETA VERSION <<<<\n");
 #endif
diff --git a/src/langs/german.h b/src/langs/german.h
index 2992c875..47c05c09 100644
--- a/src/langs/german.h
+++ b/src/langs/german.h
@@ -9,7 +9,7 @@
 /*  I don't speak German.                                      */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/langs/icelandic.h b/src/langs/icelandic.h
index 14cac748..be792a3c 100644
--- a/src/langs/icelandic.h
+++ b/src/langs/icelandic.h
@@ -5,7 +5,7 @@
 /*  Support for the Icelandic language.                        */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  Translated by Björn Davíðsson (bjossi@snerpa.is)           */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
diff --git a/src/langs/italian.h b/src/langs/italian.h
index 1cd2e569..c27db39d 100644
--- a/src/langs/italian.h
+++ b/src/langs/italian.h
@@ -7,7 +7,7 @@
 /*  This file is part of REMIND.                               */
 /*  It is Copyright (C) 1996 by Valerio Aimale                 */
 /*                                                             */
-/*  Remind is copyright (C) 1992-2022 by Dianne Skoll          */
+/*  Remind is copyright (C) 1992-2023 by Dianne Skoll          */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/langs/norwgian.h b/src/langs/norwgian.h
index 256fe32e..2c0bed91 100644
--- a/src/langs/norwgian.h
+++ b/src/langs/norwgian.h
@@ -6,7 +6,7 @@
 /*                                                             */
 /*  This file is part of REMIND.                               */
 /*  This file is Copyright (C) 1993 by Trygve Randen.          */
-/*  Remind is Copyright (C) 1992-2022 by Dianne Skoll          */
+/*  Remind is Copyright (C) 1992-2023 by Dianne Skoll          */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/langs/polish.h b/src/langs/polish.h
index 7a1cf5e6..9ec8ea1c 100644
--- a/src/langs/polish.h
+++ b/src/langs/polish.h
@@ -9,7 +9,7 @@
 /*  Polish.                                                    */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
@@ -244,7 +244,7 @@ EXTERN char *ErrMsg[] =
 #define L_USAGE_OVERRIDE 1
 void Usage(void)
 {
-    fprintf(ErrFp, "\nREMIND %s (%s version) Copyright 1992-2022 Dianne Skoll\n", VERSION, L_LANGNAME);
+    fprintf(ErrFp, "\nREMIND %s (%s version) Copyright 1992-2023 Dianne Skoll\n", VERSION, L_LANGNAME);
 #ifdef BETA
     fprintf(ErrFp, ">>>> BETA VERSION <<<<\n");
 #endif
diff --git a/src/langs/portbr.h b/src/langs/portbr.h
index ff4a0863..cfe37148 100644
--- a/src/langs/portbr.h
+++ b/src/langs/portbr.h
@@ -8,7 +8,7 @@
 /*                                                             */
 /*  This file is part of REMIND.                               */
 /*                                                             */
-/*  REMIND is Copyright (C) 1992-2022 by Dianne Skoll          */
+/*  REMIND is Copyright (C) 1992-2023 by Dianne Skoll          */
 /*  This file is Copyright (C) 1996 by Marco Paganini and      */
 /*  Dianne Skoll.                                              */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
@@ -253,7 +253,7 @@ EXTERN char *ErrMsg[] =
 #define L_USAGE_OVERRIDE 1
 void Usage(void)
 {
-    fprintf(ErrFp, "\nREMIND %s (versao %s) (C) 1992-2022 Dianne Skoll\n", VERSION, L_LANGNAME);
+    fprintf(ErrFp, "\nREMIND %s (versao %s) (C) 1992-2023 Dianne Skoll\n", VERSION, L_LANGNAME);
 #ifdef BETA
     fprintf(ErrFp, ">>>> VERSAO BETA <<<<\n");
 #endif
diff --git a/src/langs/romanian.h b/src/langs/romanian.h
index 56727fe4..d9a2804e 100644
--- a/src/langs/romanian.h
+++ b/src/langs/romanian.h
@@ -8,7 +8,7 @@
 /*                                                             */
 /*  This file is part of REMIND.                               */
 /*                                                             */
-/*  REMIND is Copyright (C) 1992-2022 by Dianne Skoll          */
+/*  REMIND is Copyright (C) 1992-2023 by Dianne Skoll          */
 /*  This file is Copyright (C) 1996-1998 by Liviu Daia         */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
diff --git a/src/langs/spanish.h b/src/langs/spanish.h
index 06dedb43..080a5b15 100644
--- a/src/langs/spanish.h
+++ b/src/langs/spanish.h
@@ -7,7 +7,7 @@
 /*  Author: Rafa Couto <rafacouto@biogate.com>                 */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/main.c b/src/main.c
index cbf97e01..03fb60bf 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,7 @@
 /*  routines, etc.                                             */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/moon.c b/src/moon.c
index e862c981..7b83c280 100644
--- a/src/moon.c
+++ b/src/moon.c
@@ -5,7 +5,7 @@
 /*  Calculations for figuring out moon phases.                 */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/omit.c b/src/omit.c
index 08d1f597..32542804 100644
--- a/src/omit.c
+++ b/src/omit.c
@@ -6,7 +6,7 @@
 /*  the data structures for OMITted dates.                     */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/protos.h b/src/protos.h
index 8ec507a7..e9cb2e24 100644
--- a/src/protos.h
+++ b/src/protos.h
@@ -5,7 +5,7 @@
 /*  Function Prototypes.                                       */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/queue.c b/src/queue.c
index b93f7772..43f84501 100644
--- a/src/queue.c
+++ b/src/queue.c
@@ -5,7 +5,7 @@
 /*  Queue up reminders for subsequent execution.               */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/rem2ps.c b/src/rem2ps.c
index 74653d2c..4616f2d6 100644
--- a/src/rem2ps.c
+++ b/src/rem2ps.c
@@ -5,7 +5,7 @@
 /*  Print a PostScript calendar.                               */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
@@ -350,7 +350,7 @@ int main(int argc, char *argv[])
 	    !strcmp(DBufValue(&buf), PSBEGIN2)) {
 	    if (!validfile) {
 		if (Verbose) {
-		    fprintf(stderr, "Rem2PS: Version %s Copyright 1992-2022 by Dianne Skoll\n\n", VERSION);
+		    fprintf(stderr, "Rem2PS: Version %s Copyright 1992-2023 by Dianne Skoll\n\n", VERSION);
 		    fprintf(stderr, "Generating PostScript calendar\n");
 		}
 	    }
diff --git a/src/rem2ps.h b/src/rem2ps.h
index ed2a9a11..bf71523f 100644
--- a/src/rem2ps.h
+++ b/src/rem2ps.h
@@ -5,7 +5,7 @@
 /*  Define the PostScript prologue                             */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
@@ -14,7 +14,7 @@ char *PSProlog1[] =
 {
     "% This file was produced by Remind and Rem2PS, written by",
     "% Dianne Skoll.",
-    "% Remind and Rem2PS are Copyright 1992-2022 Dianne Skoll.",
+    "% Remind and Rem2PS are Copyright 1992-2023 Dianne Skoll.",
     "/ISOLatin1Encoding where { pop save true }{ false } ifelse",
     "  /ISOLatin1Encoding [ StandardEncoding 0 45 getinterval aload pop /minus",
     "    StandardEncoding 46 98 getinterval aload pop /dotlessi /grave /acute",
diff --git a/src/sort.c b/src/sort.c
index b9e63d8c..f5c4d5ed 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -5,7 +5,7 @@
 /*  Routines for sorting reminders by trigger date             */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/token.c b/src/token.c
index 905d5cc0..12f75481 100644
--- a/src/token.c
+++ b/src/token.c
@@ -6,7 +6,7 @@
 /*  classifying the tokens parsed.                             */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/trigger.c b/src/trigger.c
index 340080e9..864feb4a 100644
--- a/src/trigger.c
+++ b/src/trigger.c
@@ -5,7 +5,7 @@
 /*  Routines for figuring out the trigger date of a reminder   */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/types.h b/src/types.h
index 7569aa91..11f4c739 100644
--- a/src/types.h
+++ b/src/types.h
@@ -5,7 +5,7 @@
 /*  Type definitions all dumped here.                          */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/userfns.c b/src/userfns.c
index 6ac0b7a4..9e61d291 100644
--- a/src/userfns.c
+++ b/src/userfns.c
@@ -6,7 +6,7 @@
 /*  functions.                                                 */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/utils.c b/src/utils.c
index 7f278ff5..33df645b 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -5,7 +5,7 @@
 /*  Useful utility functions.                                  */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/src/var.c b/src/var.c
index d32330bf..46514af7 100644
--- a/src/var.c
+++ b/src/var.c
@@ -6,7 +6,7 @@
 /*  user- and system-defined variables.                        */
 /*                                                             */
 /*  This file is part of REMIND.                               */
-/*  Copyright (C) 1992-2022 by Dianne Skoll                    */
+/*  Copyright (C) 1992-2023 by Dianne Skoll                    */
 /*  SPDX-License-Identifier: GPL-2.0-only                      */
 /*                                                             */
 /***************************************************************/
diff --git a/tests/test-rem b/tests/test-rem
index ed6cc727..5d900d14 100644
--- a/tests/test-rem
+++ b/tests/test-rem
@@ -7,7 +7,7 @@
 # in the build directory.
 #
 # This file is part of REMIND.
-# Copyright (C) 1992-2022 Dianne Skoll
+# Copyright (C) 1992-2023 Dianne Skoll
 # SPDX-License-Identifier: GPL-2.0-only
 # ---------------------------------------------------------------------------
 
diff --git a/tests/test.cmp b/tests/test.cmp
index 1b6c683a..8e103eee 100644
--- a/tests/test.cmp
+++ b/tests/test.cmp
@@ -7498,7 +7498,7 @@ No reminders.
 << /PageSize [612 792] >> setpagedevice
 % This file was produced by Remind and Rem2PS, written by
 % Dianne Skoll.
-% Remind and Rem2PS are Copyright 1992-2022 Dianne Skoll.
+% Remind and Rem2PS are Copyright 1992-2023 Dianne Skoll.
 /ISOLatin1Encoding where { pop save true }{ false } ifelse
   /ISOLatin1Encoding [ StandardEncoding 0 45 getinterval aload pop /minus
     StandardEncoding 46 98 getinterval aload pop /dotlessi /grave /acute
@@ -8602,7 +8602,7 @@ showpage
 << /PageSize [612 792] >> setpagedevice
 % This file was produced by Remind and Rem2PS, written by
 % Dianne Skoll.
-% Remind and Rem2PS are Copyright 1992-2022 Dianne Skoll.
+% Remind and Rem2PS are Copyright 1992-2023 Dianne Skoll.
 /ISOLatin1Encoding where { pop save true }{ false } ifelse
   /ISOLatin1Encoding [ StandardEncoding 0 45 getinterval aload pop /minus
     StandardEncoding 46 98 getinterval aload pop /dotlessi /grave /acute
diff --git a/tests/tstlang.rem b/tests/tstlang.rem
index 560f889c..d31fa727 100644
--- a/tests/tstlang.rem
+++ b/tests/tstlang.rem
@@ -11,7 +11,7 @@
 # Use the output to verify your translations.
 #
 # This file is part of REMIND.
-# Copyright (C) 1992-2022 Dianne Skoll
+# Copyright (C) 1992-2023 Dianne Skoll
 # SPDX-License-Identifier: GPL-2.0-only
 #
 # ---------------------------------------------------------------------------