gbranden pushed a commit to branch master
in repository groff.

commit dfb4c546b288b62e027ae4dd24c08ed27077af4c
Author: G. Branden Robinson <[email protected]>
AuthorDate: Thu Nov 6 14:41:13 2025 -0600

    [tbl]: Drop ersatz copyright symbol '(C)'.
    
    Software developers have long labored under the no-longer-correct
    misconception that omitting a copyright symbol from one's notice was a
    fatal defect that effectively placed the work in the public domain.
    That stopped being true as of 1 March 1989.[1]  Further, prior to
    guidance issued by the U.S. Copyright Office in the decades since, the
    use of "(C)" as a substitute for a copyright sign _may not have
    sufficed_ to prevent the copyright notice from being regarded as
    defective.  The Copyright Office, then and now, prefers the abbreviation
    "copr." when © is typographically unavailable.[ibid.]  Nowadays, its
    advice is that "c" (note lowercase) is an "acceptable variant", that
    _may_ retain the efficacy of the copyright notice.  The word
    "copyright", spelled out in full, also suffices per that resource, and
    is already present in this notice.
    
    [1] https://www.copyright.gov/circs/circ03.pdf
---
 src/preproc/tbl/main.cpp                                            | 2 +-
 src/preproc/tbl/table.cpp                                           | 2 +-
 src/preproc/tbl/table.h                                             | 2 +-
 src/preproc/tbl/tbl.1.man                                           | 2 +-
 src/preproc/tbl/tbl.am                                              | 2 +-
 src/preproc/tbl/tests/align-staggered-text-blocks-correctly.sh      | 2 +-
 src/preproc/tbl/tests/boxed-TH-tables-work-on-utf8-device.sh        | 2 +-
 src/preproc/tbl/tests/boxes-and-vertical-rules.sh                   | 2 +-
 src/preproc/tbl/tests/check-horizontal-line-length.sh               | 2 +-
 src/preproc/tbl/tests/check-line-intersections.sh                   | 2 +-
 src/preproc/tbl/tests/check-vertical-line-length.sh                 | 2 +-
 src/preproc/tbl/tests/cooperate-with-nm-request.sh                  | 2 +-
 src/preproc/tbl/tests/count-continued-input-lines.sh                | 2 +-
 src/preproc/tbl/tests/do-not-overdraw-page-top-in-nroff-mode.sh     | 2 +-
 src/preproc/tbl/tests/do-not-overlap-bottom-border-in-nroff.sh      | 2 +-
 src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh | 2 +-
 src/preproc/tbl/tests/do-not-segv-when-backslash-R-in-text-block.sh | 2 +-
 src/preproc/tbl/tests/emit-accurate-lf-requests.sh                  | 2 +-
 src/preproc/tbl/tests/expand-region-option-works.sh                 | 2 +-
 src/preproc/tbl/tests/format-time-diagnostics-work.sh               | 2 +-
 src/preproc/tbl/tests/horizontal-rules-not-drawn-too-long.sh        | 2 +-
 src/preproc/tbl/tests/passes-through-input-with-eighth-bit-set.sh   | 2 +-
 src/preproc/tbl/tests/repeated-character-entry-works.sh             | 2 +-
 src/preproc/tbl/tests/save-and-restore-hyphenation-parameters.sh    | 2 +-
 src/preproc/tbl/tests/save-and-restore-inter-sentence-space.sh      | 2 +-
 src/preproc/tbl/tests/save-and-restore-line-numbering.sh            | 2 +-
 src/preproc/tbl/tests/save-and-restore-tab-stops.sh                 | 2 +-
 src/preproc/tbl/tests/warn-on-long-boxed-unkept-table.sh            | 2 +-
 src/preproc/tbl/tests/x-column-modifier-works.sh                    | 2 +-
 29 files changed, 29 insertions(+), 29 deletions(-)

diff --git a/src/preproc/tbl/main.cpp b/src/preproc/tbl/main.cpp
index ce4d93fb6..355aa1789 100644
--- a/src/preproc/tbl/main.cpp
+++ b/src/preproc/tbl/main.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989-2025 Free Software Foundation, Inc.
+/* Copyright 1989-2025 Free Software Foundation, Inc.
      Written by James Clark ([email protected])
 
 This file is part of groff.
diff --git a/src/preproc/tbl/table.cpp b/src/preproc/tbl/table.cpp
index 5ada602d3..24b80f50f 100644
--- a/src/preproc/tbl/table.cpp
+++ b/src/preproc/tbl/table.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989-2025 Free Software Foundation, Inc.
+/* Copyright 1989-2025 Free Software Foundation, Inc.
      Written by James Clark ([email protected])
 
 This file is part of groff.
diff --git a/src/preproc/tbl/table.h b/src/preproc/tbl/table.h
index 2c140519f..2304bdab0 100644
--- a/src/preproc/tbl/table.h
+++ b/src/preproc/tbl/table.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989-2020 Free Software Foundation, Inc.
+/* Copyright 1989-2020 Free Software Foundation, Inc.
      Written by James Clark ([email protected])
 
 This file is part of groff.
diff --git a/src/preproc/tbl/tbl.1.man b/src/preproc/tbl/tbl.1.man
index 0450c666c..d1211feac 100644
--- a/src/preproc/tbl/tbl.1.man
+++ b/src/preproc/tbl/tbl.1.man
@@ -10,7 +10,7 @@ documents
 .\" Legal Terms
 .\" ====================================================================
 .\"
-.\" Copyright (C) 1989-2025 Free Software Foundation, Inc.
+.\" Copyright 1989-2025 Free Software Foundation, Inc.
 .\"
 .\" Permission is granted to make and distribute verbatim copies of this
 .\" manual provided the copyright notice and this permission notice are
diff --git a/src/preproc/tbl/tbl.am b/src/preproc/tbl/tbl.am
index b2ecc4d6b..c51b5458e 100644
--- a/src/preproc/tbl/tbl.am
+++ b/src/preproc/tbl/tbl.am
@@ -1,4 +1,4 @@
-# Copyright (C) 2014-2020 Free Software Foundation, Inc.
+# Copyright 2014-2020 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/align-staggered-text-blocks-correctly.sh 
b/src/preproc/tbl/tests/align-staggered-text-blocks-correctly.sh
index b3c2caf35..29c771255 100755
--- a/src/preproc/tbl/tests/align-staggered-text-blocks-correctly.sh
+++ b/src/preproc/tbl/tests/align-staggered-text-blocks-correctly.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright 2023 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/boxed-TH-tables-work-on-utf8-device.sh 
b/src/preproc/tbl/tests/boxed-TH-tables-work-on-utf8-device.sh
index f10278ce3..5d91db090 100755
--- a/src/preproc/tbl/tests/boxed-TH-tables-work-on-utf8-device.sh
+++ b/src/preproc/tbl/tests/boxed-TH-tables-work-on-utf8-device.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2025 G. Branden Robinson
+# Copyright 2025 G. Branden Robinson
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/boxes-and-vertical-rules.sh 
b/src/preproc/tbl/tests/boxes-and-vertical-rules.sh
index 04711883a..40c655cf8 100755
--- a/src/preproc/tbl/tests/boxes-and-vertical-rules.sh
+++ b/src/preproc/tbl/tests/boxes-and-vertical-rules.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright 2023 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/check-horizontal-line-length.sh 
b/src/preproc/tbl/tests/check-horizontal-line-length.sh
index 699691667..ba6decd8e 100755
--- a/src/preproc/tbl/tests/check-horizontal-line-length.sh
+++ b/src/preproc/tbl/tests/check-horizontal-line-length.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright 2022 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/check-line-intersections.sh 
b/src/preproc/tbl/tests/check-line-intersections.sh
index 2012bebaf..7834c697a 100755
--- a/src/preproc/tbl/tests/check-line-intersections.sh
+++ b/src/preproc/tbl/tests/check-line-intersections.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright 2022 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/check-vertical-line-length.sh 
b/src/preproc/tbl/tests/check-vertical-line-length.sh
index 1aafd0913..e6565b4aa 100755
--- a/src/preproc/tbl/tests/check-vertical-line-length.sh
+++ b/src/preproc/tbl/tests/check-vertical-line-length.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright 2022 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/cooperate-with-nm-request.sh 
b/src/preproc/tbl/tests/cooperate-with-nm-request.sh
index cfbd75027..1ab18a2c3 100755
--- a/src/preproc/tbl/tests/cooperate-with-nm-request.sh
+++ b/src/preproc/tbl/tests/cooperate-with-nm-request.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2021 Free Software Foundation, Inc.
+# Copyright 2021 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/count-continued-input-lines.sh 
b/src/preproc/tbl/tests/count-continued-input-lines.sh
index 46827883c..349506168 100755
--- a/src/preproc/tbl/tests/count-continued-input-lines.sh
+++ b/src/preproc/tbl/tests/count-continued-input-lines.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright 2022 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/do-not-overdraw-page-top-in-nroff-mode.sh 
b/src/preproc/tbl/tests/do-not-overdraw-page-top-in-nroff-mode.sh
index 67d7fc20c..5c71fc4c7 100755
--- a/src/preproc/tbl/tests/do-not-overdraw-page-top-in-nroff-mode.sh
+++ b/src/preproc/tbl/tests/do-not-overdraw-page-top-in-nroff-mode.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022-2023 Free Software Foundation, Inc.
+# Copyright 2022-2023 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/do-not-overlap-bottom-border-in-nroff.sh 
b/src/preproc/tbl/tests/do-not-overlap-bottom-border-in-nroff.sh
index 4f63eed29..e3c4e76be 100755
--- a/src/preproc/tbl/tests/do-not-overlap-bottom-border-in-nroff.sh
+++ b/src/preproc/tbl/tests/do-not-overlap-bottom-border-in-nroff.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright 2022 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git 
a/src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh 
b/src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh
index 5ae558654..2db2f94de 100755
--- a/src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh
+++ b/src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2021-2025 Free Software Foundation, Inc.
+# Copyright 2021-2025 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git 
a/src/preproc/tbl/tests/do-not-segv-when-backslash-R-in-text-block.sh 
b/src/preproc/tbl/tests/do-not-segv-when-backslash-R-in-text-block.sh
index f29718b82..2a7a8f9c5 100755
--- a/src/preproc/tbl/tests/do-not-segv-when-backslash-R-in-text-block.sh
+++ b/src/preproc/tbl/tests/do-not-segv-when-backslash-R-in-text-block.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022-2025 Free Software Foundation, Inc.
+# Copyright 2022-2025 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/emit-accurate-lf-requests.sh 
b/src/preproc/tbl/tests/emit-accurate-lf-requests.sh
index 84fcd4005..95d8269f0 100755
--- a/src/preproc/tbl/tests/emit-accurate-lf-requests.sh
+++ b/src/preproc/tbl/tests/emit-accurate-lf-requests.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2025 Free Software Foundation, Inc.
+# Copyright 2025 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/expand-region-option-works.sh 
b/src/preproc/tbl/tests/expand-region-option-works.sh
index 97da39de2..a814ef98b 100755
--- a/src/preproc/tbl/tests/expand-region-option-works.sh
+++ b/src/preproc/tbl/tests/expand-region-option-works.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright 2023 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/format-time-diagnostics-work.sh 
b/src/preproc/tbl/tests/format-time-diagnostics-work.sh
index 891ebdb62..57a399505 100755
--- a/src/preproc/tbl/tests/format-time-diagnostics-work.sh
+++ b/src/preproc/tbl/tests/format-time-diagnostics-work.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022-2024 Free Software Foundation, Inc.
+# Copyright 2022-2024 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/horizontal-rules-not-drawn-too-long.sh 
b/src/preproc/tbl/tests/horizontal-rules-not-drawn-too-long.sh
index afab81bae..725987844 100755
--- a/src/preproc/tbl/tests/horizontal-rules-not-drawn-too-long.sh
+++ b/src/preproc/tbl/tests/horizontal-rules-not-drawn-too-long.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright 2023 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/passes-through-input-with-eighth-bit-set.sh 
b/src/preproc/tbl/tests/passes-through-input-with-eighth-bit-set.sh
index 1e017e324..3651fd4d2 100755
--- a/src/preproc/tbl/tests/passes-through-input-with-eighth-bit-set.sh
+++ b/src/preproc/tbl/tests/passes-through-input-with-eighth-bit-set.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2025 Free Software Foundation, Inc.
+# Copyright 2025 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/repeated-character-entry-works.sh 
b/src/preproc/tbl/tests/repeated-character-entry-works.sh
index c77c9267b..988e0838d 100755
--- a/src/preproc/tbl/tests/repeated-character-entry-works.sh
+++ b/src/preproc/tbl/tests/repeated-character-entry-works.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2024 Free Software Foundation, Inc.
+# Copyright 2024 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/save-and-restore-hyphenation-parameters.sh 
b/src/preproc/tbl/tests/save-and-restore-hyphenation-parameters.sh
index 14b6f283d..539d138d3 100755
--- a/src/preproc/tbl/tests/save-and-restore-hyphenation-parameters.sh
+++ b/src/preproc/tbl/tests/save-and-restore-hyphenation-parameters.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright 2021-2023 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/save-and-restore-inter-sentence-space.sh 
b/src/preproc/tbl/tests/save-and-restore-inter-sentence-space.sh
index e9a06d83b..7c826bc5c 100755
--- a/src/preproc/tbl/tests/save-and-restore-inter-sentence-space.sh
+++ b/src/preproc/tbl/tests/save-and-restore-inter-sentence-space.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright 2022 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/save-and-restore-line-numbering.sh 
b/src/preproc/tbl/tests/save-and-restore-line-numbering.sh
index de0f71842..4a5beb298 100755
--- a/src/preproc/tbl/tests/save-and-restore-line-numbering.sh
+++ b/src/preproc/tbl/tests/save-and-restore-line-numbering.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022-2024 Free Software Foundation, Inc.
+# Copyright 2022-2024 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/save-and-restore-tab-stops.sh 
b/src/preproc/tbl/tests/save-and-restore-tab-stops.sh
index 09e15c7c9..d800dfb37 100755
--- a/src/preproc/tbl/tests/save-and-restore-tab-stops.sh
+++ b/src/preproc/tbl/tests/save-and-restore-tab-stops.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2020 Free Software Foundation, Inc.
+# Copyright 2020 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/warn-on-long-boxed-unkept-table.sh 
b/src/preproc/tbl/tests/warn-on-long-boxed-unkept-table.sh
index 621a75250..f89a66888 100755
--- a/src/preproc/tbl/tests/warn-on-long-boxed-unkept-table.sh
+++ b/src/preproc/tbl/tests/warn-on-long-boxed-unkept-table.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright 2022 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
diff --git a/src/preproc/tbl/tests/x-column-modifier-works.sh 
b/src/preproc/tbl/tests/x-column-modifier-works.sh
index da9b89007..33f263a4f 100755
--- a/src/preproc/tbl/tests/x-column-modifier-works.sh
+++ b/src/preproc/tbl/tests/x-column-modifier-works.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright 2023 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #

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