gbranden pushed a commit to branch master
in repository groff.
commit 2fc2a62add7c445139035c9ce2b22ea8af8d9735
Author: G. Branden Robinson <[email protected]>
AuthorDate: Sun Apr 12 08:21:48 2026 -0500
[preconv]: Cosmetically revise copyright notices.
* src/preproc/preconv/preconv.1.man:
* src/preproc/preconv/preconv.am:
* src/preproc/preconv/preconv.cpp: Drop ersatz '(C)' copyright symbol.
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 these notices.
[1] https://www.copyright.gov/circs/circ03.pdf
---
src/preproc/preconv/preconv.1.man | 2 +-
src/preproc/preconv/preconv.am | 2 +-
src/preproc/preconv/preconv.cpp | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/preproc/preconv/preconv.1.man
b/src/preproc/preconv/preconv.1.man
index b0e314262..f44d60762 100644
--- a/src/preproc/preconv/preconv.1.man
+++ b/src/preproc/preconv/preconv.1.man
@@ -8,7 +8,7 @@ preconv \- prepare files for typesetting with
.\" Legal Terms
.\" ====================================================================
.\"
-.\" Copyright (C) 2006-2024 Free Software Foundation, Inc.
+.\" Copyright 2006-2024 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/preconv/preconv.am b/src/preproc/preconv/preconv.am
index 632835107..10b5c9341 100644
--- a/src/preproc/preconv/preconv.am
+++ b/src/preproc/preconv/preconv.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, the GNU roff typesetting system.
#
diff --git a/src/preproc/preconv/preconv.cpp b/src/preproc/preconv/preconv.cpp
index 6fe23074e..86d38c3e0 100644
--- a/src/preproc/preconv/preconv.cpp
+++ b/src/preproc/preconv/preconv.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2025 Free Software Foundation, Inc.
+/* Copyright 2005-2025 Free Software Foundation, Inc.
Written by Werner Lemberg ([email protected])
This file is part of groff, the GNU roff typesetting system.
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