gbranden pushed a commit to branch master
in repository groff.
commit b900756287e61923788a68df2a044c83ac6a6f08
Author: G. Branden Robinson <[email protected]>
AuthorDate: Fri May 15 12:06:10 2026 -0500
[hpftodit]: Cosmetically revise copyright notices.
* src/utils/hpftodit/hpftodit.1.man:
* src/utils/hpftodit/hpftodit.am:
* src/utils/hpftodit/hpftodit.cpp:
* src/utils/hpftodit/hpuni.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/utils/hpftodit/hpftodit.1.man | 2 +-
src/utils/hpftodit/hpftodit.am | 2 +-
src/utils/hpftodit/hpftodit.cpp | 2 +-
src/utils/hpftodit/hpuni.cpp | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/utils/hpftodit/hpftodit.1.man
b/src/utils/hpftodit/hpftodit.1.man
index 0ad3141b0..e9936b25e 100644
--- a/src/utils/hpftodit/hpftodit.1.man
+++ b/src/utils/hpftodit/hpftodit.1.man
@@ -10,7 +10,7 @@ and
.\" Legal Terms
.\" ====================================================================
.\"
-.\" Copyright (C) 1994-2024 Free Software Foundation, Inc.
+.\" Copyright 1994-2024 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/utils/hpftodit/hpftodit.am b/src/utils/hpftodit/hpftodit.am
index 138bd8de4..54fa319ad 100644
--- a/src/utils/hpftodit/hpftodit.am
+++ b/src/utils/hpftodit/hpftodit.am
@@ -1,6 +1,6 @@
# Automake rules for 'src utils hpftodit'
#
-# Copyright (C) 2014-2020 Free Software Foundation, Inc.
+# Copyright 2014-2020 Free Software Foundation, Inc.
#
# groff is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
diff --git a/src/utils/hpftodit/hpftodit.cpp b/src/utils/hpftodit/hpftodit.cpp
index 6e8df9b43..8005703ea 100644
--- a/src/utils/hpftodit/hpftodit.cpp
+++ b/src/utils/hpftodit/hpftodit.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994-2025 Free Software Foundation, Inc.
+/* Copyright 1994-2025 Free Software Foundation, Inc.
Written by James Clark ([email protected])
This file is part of groff, the GNU roff typesetting system.
diff --git a/src/utils/hpftodit/hpuni.cpp b/src/utils/hpftodit/hpuni.cpp
index c2e770be1..70d9208f7 100644
--- a/src/utils/hpftodit/hpuni.cpp
+++ b/src/utils/hpftodit/hpuni.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003-2024 Free Software Foundation, Inc.
+/* Copyright 2003-2024 Free Software Foundation, Inc.
Written by Jeff Conrad ([email protected])
This file is part of groff, the GNU roff typesetting system.
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