Clarify license; closes greghendershott#294

Add a LICENSE file. Use copyright plus `SPDX-License-Identifier: GPL-3.0-or-later` in each source file. The SPDX line replaces the license summary prose in Elisp files. Racket files previously lacked a copyright or license.
manphiz · Oct 15, 2022 · 8077ab7 · 8077ab7
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diff --git a/LICENSE b/LICENSE
diff --git a/doc/arch-pict.rkt b/doc/arch-pict.rkt
@@ -1,3 +1,6 @@
+;; Copyright (c) 2013-2022 by Greg Hendershott.
+;; SPDX-License-Identifier: GPL-3.0-or-later
+
 #lang racket/base
 
 (require pict

diff --git a/doc/generate.el b/doc/generate.el
@@ -1,16 +1,7 @@
 ;;; generate.el -*- lexical-binding: t -*-
 
 ;; Copyright (c) 2013-2022 by Greg Hendershott.
-
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 ;;; Generate a reference.org file from doc strings
 

diff --git a/doc/racket-mode.org b/doc/racket-mode.org
@@ -19,6 +19,15 @@
 
 #+TEXINFO_PRINTED_TITLE: Racket Mode
 
+* Copying
+:PROPERTIES:
+:COPYING: t
+:END:
+
+Copyright (C) 2013-2022 by Greg Hendershott.
+
+SPDX-License-Identifier: GPL-3.0-or-later
+
 * Introduction
 
 The [[https://www.racket-mode.com/][Racket Mode]] package consists of a variety of Emacs major and minor modes, including:

diff --git a/doc/racket-mode.texi b/doc/racket-mode.texi
@@ -7,6 +7,13 @@
 @syncodeindex pg cp
 @c %**end of header
 
+@copying
+
+Copyright (C) 2013-2022 by Greg Hendershott.
+
+SPDX-License-Identifier: GPL-3.0-or-later
+@end copying
+
 @dircategory Emacs
 @direntry
 * Racket Mode: (racket-mode). Edit and REPL major modes for Racket lang.
@@ -16,13 +23,17 @@
 @titlepage
 @title Racket Mode
 @author Greg Hendershott (@email{racket@@greghendershott.com})
+@page
+@vskip 0pt plus 1filll
+@insertcopying
 @end titlepage
 
 @contents
 
 @ifnottex
 @node Top
 @top Racket Mode
+@insertcopying
 @end ifnottex
 
 @menu

diff --git a/racket-back-end.el b/racket-back-end.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 ;;; Back end: configuration
 

diff --git a/racket-browse-url.el b/racket-browse-url.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'racket-custom)
 (require 'racket-cmd)

diff --git a/racket-bug-report.el b/racket-bug-report.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'cl-lib)
 (require 'package)

diff --git a/racket-cmd.el b/racket-cmd.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 ;;; Back end: process and commands
 

diff --git a/racket-collection.el b/racket-collection.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'tq)
 (require 'racket-back-end)

diff --git a/racket-common.el b/racket-common.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 ;; Things used by both racket-mode and racket-repl-mode
 

diff --git a/racket-company-doc.el b/racket-company-doc.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'shr)
 (require 'racket-describe)

diff --git a/racket-complete.el b/racket-complete.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'racket-common)
 

diff --git a/racket-custom.el b/racket-custom.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 ;;; All `defcustom's and `defface's go here.
 ;;; This makes it easier to provide a consistent UI.

diff --git a/racket-debug.el b/racket-debug.el
@@ -5,15 +5,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'racket-back-end)
 (require 'racket-repl)

diff --git a/racket-describe.el b/racket-describe.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'shr)
 (require 'subr-x)

diff --git a/racket-doc.el b/racket-doc.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'url-util)
 (require 'racket-browse-url)

diff --git a/racket-edit.el b/racket-edit.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 ;; racket-mode per se, i.e. the mode for .rkt file buffers
 

diff --git a/racket-eldoc.el b/racket-eldoc.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'racket-cmd)
 (require 'racket-back-end)

diff --git a/racket-font-lock.el b/racket-font-lock.el
@@ -5,15 +5,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'cl-lib)
 (require 'color)

diff --git a/racket-imenu.el b/racket-imenu.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'cl-lib)
 (require 'imenu)

diff --git a/racket-indent.el b/racket-indent.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'cl-lib)
 (require 'subr-x)

diff --git a/racket-keywords-and-builtins.el b/racket-keywords-and-builtins.el
@@ -5,15 +5,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (defconst racket-type-list
   ;; This list was generated using keywords.rkt -- don't edit

diff --git a/racket-logger.el b/racket-logger.el
@@ -6,15 +6,7 @@
 ;; Author: Greg Hendershott
 ;; URL: https://github.com/greghendershott/racket-mode
 
-;; License:
-;; This is free software; you can redistribute it and/or modify it
-;; under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version. This is distributed in the hope that it will be
-;; useful, but without any warranty; without even the implied warranty
-;; of merchantability or fitness for a particular purpose. See the GNU
-;; General Public License for more details. See
-;; http://www.gnu.org/licenses/ for details.
+;; SPDX-License-Identifier: GPL-3.0-or-later
 
 (require 'easymenu)
 (require 'rx)