Add SPDX licence identifiers to all source code files

Makefile.am

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file, Makefile.am, contains the top-level Makefile for Star

NEWS

@@ -25,6 +25,10 @@ __ https://www.zap.org.au/
 Version 7.21 (not yet released)
 -------------------------------
 
+Added SPDX__ licence identifiers to all source code files.
+
+__ https://spdx.dev/
+
 Minor bug fix for the manual page: removed the invocation to the
 undefined "mR" font.
 

build-aux/bootstrap

@@ -1,6 +1,7 @@
 #!/bin/sh
 
 # Import or update automatically-generated files for Star Traders
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 
 set -e

build-aux/msgfmt-desktop

@@ -1,6 +1,7 @@
 #!/bin/sh
 
 # Create or update desktop files using msgfmt(1)
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 
 # Usage:

build-aux/msgfmt-metainfo

@@ -1,6 +1,7 @@
 #!/bin/sh
 
 # Create or update AppData files using msgfmt(1)
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 
 # Usage:

configure.ac

@@ -6,6 +6,7 @@ dnl *                                                                   *
 dnl *********************************************************************
 dnl
 dnl Author: John Zaitseff <J.Zaitseff@zap.org.au>
+dnl SPDX-License-Identifier: GPL-3.0-or-later
 dnl $Id$
 dnl
 dnl This file, configure.ac, contains information required by autoconf to

data/Makefile.am

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file, data/Makefile.am, contains the non-code data directory

data/au.org.zap.trader.desktop.in

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 
 # This file provides a translated desktop entry for Star Traders and

data/au.org.zap.trader.metainfo.xml.in

@@ -9,6 +9,7 @@
 *************************************************************************
 
 Author: John Zaitseff <J.Zaitseff@zap.org.au>
+SPDX-License-Identifier: FSFAP
 $Id$
 
 This file provides application metadata for Star Traders and conforms to

data/trader.svg

@@ -16,6 +16,7 @@
 *************************************************************************
 
 Author: John Zaitseff <J.Zaitseff@zap.org.au>
+SPDX-License-Identifier: GPL-3.0-or-later
 $Id$
 
 This file, trader.svg, contains the icon image for Star Traders.

doc/Makefile.am

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file, doc/Makefile.am, contains the documentation directory

doc/trader.6

@@ -6,6 +6,7 @@
 .\" *********************************************************************
 .\"
 .\" Author: John Zaitseff <J.Zaitseff@zap.org.au>
+.\" SPDX-License-Identifier: GPL-3.0-or-later
 .\" $Id$
 .\"
 .\" This program is free software: you can redistribute it and/or modify

lib/obsolete-strings.c

@@ -6,6 +6,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file contains strings that are present in older versions of

lib/xopen-source.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, xopen-source.h, redefines _XOPEN_SOURCE to be the latest

m4/Makefile.am

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file, m4/Makefile.am, contains the m4 macro directory Makefile for

m4/xopen-source.m4

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file contains the macro USE_LATEST_XOPEN_SOURCE to determine the

po/LINGUAS

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file, po/LINGUAS, contains a list of the available languages in

po/Makevars

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file, po/Makevars, contains variables that are substituted into

po/POTFILES.in

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file, po/POTFILES.in, contains a list of source files which

po/da.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Joe Hansen <joedalton2@yahoo.dk>, 2012, 2015, 2017.
 #
@@ -15,7 +17,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:20+1100\n"
+"PO-Revision-Date: 2024-05-26 05:53+1000\n"
 "Last-Translator: Joe Hansen <joedalton2@yahoo.dk>\n"
 "Language-Team: Danish <dansk@dansk-gruppen.dk>\n"
 "Language: da\n"

po/de.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Philipp Thomas <pth@suse.de>, 2012, 2015, 2017.
 #   Mario Blättermann <mario.blaettermann@gmail.com>, 2021.
@@ -17,7 +19,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:20+1100\n"
+"PO-Revision-Date: 2024-05-26 05:54+1000\n"
 "Last-Translator: Roland Illig <roland.illig@gmx.de>\n"
 "Language-Team: German <translation-team-de@lists.sourceforge.net>\n"
 "Language: de\n"

po/en_AU.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   John Zaitseff <J.Zaitseff@zap.org.au>, 2011-2024.
 #
@@ -15,7 +17,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:54+1000\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: English (Australian) <(nothing)>\n"
 "Language: en_AU\n"

po/en_CA.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   John Zaitseff <J.Zaitseff@zap.org.au>, 2011-2024.
 #
@@ -15,7 +17,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:54+1000\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: English (Canadian) <(nothing)>\n"
 "Language: en_CA\n"

po/en_GB.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   John Zaitseff <J.Zaitseff@zap.org.au>, 2011-2024.
 #
@@ -15,7 +17,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:54+1000\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: English (British) <(nothing)>\n"
 "Language: en_GB\n"

po/en_US.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   John Zaitseff <J.Zaitseff@zap.org.au>, 2011-2024.
 #
@@ -15,7 +17,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:54+1000\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: English (US) <(nothing)>\n"
 "Language: en_US\n"

po/eo.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Felipe Castro <fefcas@gmail.com>, 2013, 2016, 2018, 2019, 2020, 2021, 2024.
 #
@@ -16,7 +18,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:55+1000\n"
 "Last-Translator: Felipe Castro <fefcas@gmail.com>\n"
 "Language-Team: Esperanto <translation-team-eo@lists.sourceforge.net>\n"
 "Language: eo\n"

po/fi.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Jorma Karvonen <karvonen.jorma@gmail.com>, 2012.
 #
@@ -16,7 +18,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:55+1000\n"
 "Last-Translator: Jorma Karvonen <karvonen.jorma@gmail.com>\n"
 "Language-Team: Finnish <translation-team-fi@lists.sourceforge.net>\n"
 "Language: fi\n"

po/fr.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Frédéric Marchal <fmarchal@perso.be>, 2012-2024.
 #
@@ -22,7 +24,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:55+1000\n"
 "Last-Translator: Frédéric Marchal <fmarchal@perso.be>\n"
 "Language-Team: French <traduc@traduc.org>\n"
 "Language: fr\n"

po/hr.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Tomislav Krznar <tomislav.krznar@gmail.com>, 2012.
 #
@@ -15,7 +17,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:55+1000\n"
 "Last-Translator: Tomislav Krznar <tomislav.krznar@gmail.com>\n"
 "Language-Team: Croatian <lokalizacija@linux.hr>\n"
 "Language: hr\n"

po/hu.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Balázs Úr <ur.balazs@fsf.hu>, 2014, 2015, 2017, 2019, 2023.
 #
@@ -15,7 +17,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:21+1100\n"
+"PO-Revision-Date: 2024-05-26 05:55+1000\n"
 "Last-Translator: Balázs Úr <ur.balazs@fsf.hu>\n"
 "Language-Team: Hungarian <translation-team-hu@lists.sourceforge.net>\n"
 "Language: hu\n"

po/nb.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Johnny A. Solbu <johnny@solbu.net>, 2012-2024.
 #
@@ -18,7 +20,7 @@ msgstr ""
 "Project-Id-Version: trader 7.19\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:23+1100\n"
+"PO-Revision-Date: 2024-05-26 05:56+1000\n"
 "Last-Translator: Johnny A. Solbu <johnny@solbu.net>\n"
 "Language-Team: Norwegian Bokmaal <l10n-no@lister.huftis.org>\n"
 "Language: nb\n"

po/pl.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   John Zaitseff <J.Zaitseff@zap.org.au>, 2024.
 #   Alina Skrinnikoff <davealina@hotmail.com>, 2024.
@@ -17,7 +19,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:24+1100\n"
+"PO-Revision-Date: 2024-05-26 05:56+1000\n"
 "Last-Translator: Alina Skrinnikoff <davealina@hotmail.com>\n"
 "Language-Team: Polish <translation-team-pl@lists.sourceforge.net>\n"
 "Language: pl\n"

po/pt_BR.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Rafael Fontenelle <rafaelff@gnome.org>, 2019, 2021.
 #
@@ -16,7 +18,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:24+1100\n"
+"PO-Revision-Date: 2024-05-26 05:56+1000\n"
 "Last-Translator: Rafael Fontenelle <rafaelff@gnome.org>\n"
 "Language-Team: Brazilian Portuguese <ldpbr-translation@lists.sourceforge.net>\n"
 "Language: pt_BR\n"

po/ro.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Remus-Gabriel Chelu <remusgabriel.chelu@disroot.org>, 2023.
 #
@@ -21,7 +23,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:24+1100\n"
+"PO-Revision-Date: 2024-05-26 05:56+1000\n"
 "Last-Translator: Remus-Gabriel Chelu <remusgabriel.chelu@disroot.org>\n"
 "Language-Team: Romanian <translation-team-ro@lists.sourceforge.net>\n"
 "Language: ro\n"

po/ru.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   John Zaitseff <J.Zaitseff@zap.org.au>, 2011-2024.
 #   Vladimir B. Tsarkov <lipetsk-gnu-lug@bk.ru>, 2012.
@@ -18,7 +20,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:24+1100\n"
+"PO-Revision-Date: 2024-05-26 05:56+1000\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: Russian <gnu@d07.ru>\n"
 "Language: ru\n"

po/sr.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Мирослав Николић <miroslavnikolic@rocketmail.com>, 2016-2024.
 #
@@ -16,7 +18,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:24+1100\n"
+"PO-Revision-Date: 2024-05-26 05:56+1000\n"
 "Last-Translator: Мирослав Николић <miroslavnikolic@rocketmail.com>\n"
 "Language-Team: Serbian <(nothing)>\n"
 "Language: sr\n"

po/sv.po

@@ -7,6 +7,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   Anders Jonsson <anders.jonsson@norsjovallen.se>, 2015, 2017, 2020, 2021, 2024.
 #
@@ -15,7 +17,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:24+1100\n"
+"PO-Revision-Date: 2024-05-26 05:56+1000\n"
 "Last-Translator: Anders Jonsson <anders.jonsson@norsjovallen.se>\n"
 "Language-Team: Swedish <tp-sv@listor.tp-sv.se>\n"
 "Language: sv\n"

po/uk.po

@@ -8,6 +8,8 @@
 #
 # This file is distributed under the same license as the trader package.
 #
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
 # Contributors:
 #   John Zaitseff <J.Zaitseff@zap.org.au>, 2024.
 #
@@ -16,7 +18,7 @@ msgstr ""
 "Project-Id-Version: trader 7.21\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2024-01-31 06:10+1100\n"
-"PO-Revision-Date: 2024-01-31 14:24+1100\n"
+"PO-Revision-Date: 2024-05-26 05:57+1000\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: Ukrainian <trans-uk@lists.fedoraproject.org>\n"
 "Language: uk\n"

src/Makefile.am

@@ -6,6 +6,7 @@
 #########################################################################
 
 # Author: John Zaitseff <J.Zaitseff@zap.org.au>
+# SPDX-License-Identifier: GPL-3.0-or-later
 # $Id$
 #
 # This file, src/Makefile.am, contains the source-code Makefile for Star

src/exch.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, exch.c, contains the implementation of functions dealing

src/exch.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, exch.h, contains declarations for functions dealing with the

src/fileio.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, fileio.c, contains the implementation of the game load and

src/fileio.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, fileio.h, contains declarations for the load and save game

src/game.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, game.c, contains the implementation of the starting and

src/game.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, game.h, contains declarations for the starting and ending

src/globals.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, globals.c, contains the actual global variables and

src/globals.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, globals.h, contains declarations for global variables and

src/help.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, help.c, contains the actual implementation of help functions

src/help.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, help.h, contains declarations for help functions as used in

src/intf.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, intf.c, contains the actual implementation of basic text

src/intf.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, intf.h, contains declarations for basic text input/output

src/move.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, move.c, contains the implementation of functions that make

src/move.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, move.h, contains declarations for functions that make and

src/system.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, system.h, contains system-specific definitions and #include

src/trader.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   Star Traders is a simple game of interstellar trading, where the object

src/trader.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, trader.h, contains overall definitions for Star Traders.

src/utils.c

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, utils.c, contains the implementation of various utility

src/utils.h

@@ -7,6 +7,7 @@
 
 /*
   Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  SPDX-License-Identifier: GPL-3.0-or-later
   $Id$
 
   This file, utils.h, contains declarations for various utility functions