gbranden pushed a commit to branch master
in repository groff.

commit 2efdc263226dfc81f61d84ad3d6e8466f984e638
Author: G. Branden Robinson <[email protected]>
AuthorDate: Thu Dec 18 10:06:02 2025 -0600

    doc/*: Drop ersatz copyright symbol.
    
    ...namely, '(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
---
 doc/doc.am           | 5 +++--
 doc/meintro.me.in    | 4 ++--
 doc/meintro_fr.me.in | 4 ++--
 doc/meref.me.in      | 2 +-
 doc/pic.ms           | 3 ++-
 5 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/doc/doc.am b/doc/doc.am
index 796aa7ef3..d2d7c3026 100644
--- a/doc/doc.am
+++ b/doc/doc.am
@@ -1,5 +1,6 @@
-# Copyright (C) 2002-2020 Free Software Foundation, Inc.
-#               2021-2023 G. Branden Robinson
+# Copyright 2002-2020 Free Software Foundation, Inc.
+#           2021-2023 G. Branden Robinson
+#
 # Original Makefile.sub written by Werner Lemberg <[email protected]>.
 # Adapted to Automake by Bertrand Garrigues
 #   ([email protected]).
diff --git a/doc/meintro.me.in b/doc/meintro.me.in
index 306977cb8..69afe0b58 100644
--- a/doc/meintro.me.in
+++ b/doc/meintro.me.in
@@ -1,10 +1,10 @@
 .\" groff -me
 .\" nroff -me
 .\"
-.\" Copyright (c) 1986, 1993
+.\" Copyright 1986, 1993
 .\"   The Regents of the University of California.  All rights reserved.
 .\"
-.\" Copyright (C) 1989-2024 Free Software Foundation, Inc.
+.\" Copyright 1989-2024 Free Software Foundation, Inc.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
diff --git a/doc/meintro_fr.me.in b/doc/meintro_fr.me.in
index 426296f54..e2d6ecb2d 100644
--- a/doc/meintro_fr.me.in
+++ b/doc/meintro_fr.me.in
@@ -2,10 +2,10 @@
 .\" groff -K utf8 -t -me -mfr
 .\" nroff -K utf8 -t -me -mfr
 .\"
-.\" Copyright (c) 1986, 1993
+.\" Copyright 1986, 1993
 .\"   The Regents of the University of California.  All rights reserved.
 .\"
-.\" Copyright (C) 1989-2024 Free Software Foundation, Inc.
+.\" Copyright 1989-2024 Free Software Foundation, Inc.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
diff --git a/doc/meref.me.in b/doc/meref.me.in
index 07f87244e..5a7564693 100644
--- a/doc/meref.me.in
+++ b/doc/meref.me.in
@@ -1,7 +1,7 @@
 .\" groff -me
 .\" nroff -me
 .\"
-.\" Copyright (c) 1986, 1993
+.\" Copyright 1986, 1993
 .\"   The Regents of the University of California.  All rights reserved.
 .\"
 .\" Copyright 1989-2021 Free Software Foundation, Inc.
diff --git a/doc/pic.ms b/doc/pic.ms
index fd1712e21..5c51b818a 100644
--- a/doc/pic.ms
+++ b/doc/pic.ms
@@ -1,4 +1,5 @@
-.\" Copyright (C) 2006-2020 Free Software Foundation, Inc.
+.\" Copyright 2006-2020 Free Software Foundation, Inc.
+.\"
 .\"      Written by Eric S. Raymond <[email protected]>
 .\"
 .\" This file is part of groff, the GNU roff typesetting system.

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