convert license headers to SPDXHEADmaster

Use the following script and find tool:

grep 'GNU General Public License' "$1" || exit
grep 'either version 2 of the License' "$1" || exit

sed -n '/\*\*\*\*\*\//,$p' "$1" > /tmp/src.tmp
echo '// SPDX-License-Identifier: GPL-2.0-or-later' > /tmp/src.tmp2
sed -n '2,$p' /tmp/src.tmp >> /tmp/src.tmp2
mv /tmp/src.tmp2 "$1"

21 files changed, 21 insertions, 399 deletions

diff --git a/src/common/common.cpp b/src/common/common.cpp
index ec08bef..56ecaaa 100644
--- a/src/common/common.cpp
+++ b/src/common/common.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <stdlib.h>
 
diff --git a/src/common/common.h b/src/common/common.h
index 5720ddc..09861cd 100644
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_COMMON_H
 #define FQTERM_COMMON_H
diff --git a/src/common/fqterm.h b/src/common/fqterm.h
index 3fad56f..0789895 100644
--- a/src/common/fqterm.h
+++ b/src/common/fqterm.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_GLOBAL_H
 #define FQTERM_GLOBAL_H
diff --git a/src/common/fqterm_config.cpp b/src/common/fqterm_config.cpp
index 19e0db4..c9fa26c 100644
--- a/src/common/fqterm_config.cpp
+++ b/src/common/fqterm_config.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <QTextStream>
 #include <QFile>
diff --git a/src/common/fqterm_config.h b/src/common/fqterm_config.h
index 2f88602..4884920 100644
--- a/src/common/fqterm_config.h
+++ b/src/common/fqterm_config.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_CFG_H
 #define FQTERM_CFG_H
diff --git a/src/common/fqterm_exif_extractor.cpp b/src/common/fqterm_exif_extractor.cpp
index 87ff209..71c6dd1 100644
--- a/src/common/fqterm_exif_extractor.cpp
+++ b/src/common/fqterm_exif_extractor.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "fqterm_exif_extractor.h"
 
diff --git a/src/common/fqterm_exif_extractor.h b/src/common/fqterm_exif_extractor.h
index ae96849..c553108 100644
--- a/src/common/fqterm_exif_extractor.h
+++ b/src/common/fqterm_exif_extractor.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_EXIF_EXTRACTOR
 #define FQTERM_EXIF_EXTRACTOR
diff --git a/src/common/fqterm_filedialog.cpp b/src/common/fqterm_filedialog.cpp
index a5c97ac..b148684 100644
--- a/src/common/fqterm_filedialog.cpp
+++ b/src/common/fqterm_filedialog.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "fqterm_filedialog.h"
 #include "fqterm_trace.h"
diff --git a/src/common/fqterm_filedialog.h b/src/common/fqterm_filedialog.h
index de97e17..c811f40 100644
--- a/src/common/fqterm_filedialog.h
+++ b/src/common/fqterm_filedialog.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_FILEDIALOG_H
 #define FQTERM_FILEDIALOG_H
diff --git a/src/common/fqterm_font.cpp b/src/common/fqterm_font.cpp
index b7eb771..df46ccf 100644
--- a/src/common/fqterm_font.cpp
+++ b/src/common/fqterm_font.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <list>
 #include <set>
diff --git a/src/common/fqterm_font.h b/src/common/fqterm_font.h
index 7d28ffb..28344a7 100644
--- a/src/common/fqterm_font.h
+++ b/src/common/fqterm_font.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_FONT_H
 #define FQTERM_FONT_H
diff --git a/src/common/fqterm_param.cpp b/src/common/fqterm_param.cpp
index 52e5707..274f2e8 100644
--- a/src/common/fqterm_param.cpp
+++ b/src/common/fqterm_param.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "fqterm_param.h"
 #include "fqterm_font.h"
diff --git a/src/common/fqterm_param.h b/src/common/fqterm_param.h
index 61b5725..1faa377 100644
--- a/src/common/fqterm_param.h
+++ b/src/common/fqterm_param.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_PARAM_H
 #define FQTERM_PARAM_H
diff --git a/src/common/fqterm_path.cpp b/src/common/fqterm_path.cpp
index f3265eb..e0ea9df 100644
--- a/src/common/fqterm_path.cpp
+++ b/src/common/fqterm_path.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifdef WIN32
 #include <windows.h>
diff --git a/src/common/fqterm_path.h b/src/common/fqterm_path.h
index 8c92d92..fbf5821 100644
--- a/src/common/fqterm_path.h
+++ b/src/common/fqterm_path.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_PATH_H
 #define FQTERM_PATH_H
diff --git a/src/common/fqterm_shortcuthelper.cpp b/src/common/fqterm_shortcuthelper.cpp
index 432ddb2..b5633da 100644
--- a/src/common/fqterm_shortcuthelper.cpp
+++ b/src/common/fqterm_shortcuthelper.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 #include "fqterm_shortcuthelper.h"
 #include "fqterm_config.h"
 #include "fqterm_path.h"
diff --git a/src/common/fqterm_shortcuthelper.h b/src/common/fqterm_shortcuthelper.h
index 03ecc4a..6364d4e 100644
--- a/src/common/fqterm_shortcuthelper.h
+++ b/src/common/fqterm_shortcuthelper.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef __FQTERM_SHORTCUTHELPER__
 #define __FQTERM_SHORTCUTHELPER__
diff --git a/src/common/fqterm_sound.cpp b/src/common/fqterm_sound.cpp
index 9fd13a1..fcf65af 100644
--- a/src/common/fqterm_sound.cpp
+++ b/src/common/fqterm_sound.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <QSound>
 #include <QFile>
diff --git a/src/common/fqterm_sound.h b/src/common/fqterm_sound.h
index ab18645..0065dc7 100644
--- a/src/common/fqterm_sound.h
+++ b/src/common/fqterm_sound.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_SOUND_H
 #define FQTERM_SOUND_H
diff --git a/src/common/fqterm_trace.cpp b/src/common/fqterm_trace.cpp
index ef0a808..7ca5eed 100644
--- a/src/common/fqterm_trace.cpp
+++ b/src/common/fqterm_trace.cpp
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <string>
 
diff --git a/src/common/fqterm_trace.h b/src/common/fqterm_trace.h
index 6c2ffbe..0f29b80 100644
--- a/src/common/fqterm_trace.h
+++ b/src/common/fqterm_trace.h
@@ -1,22 +1,4 @@
-/***************************************************************************
- *   fqterm, a terminal emulator for both BBS and *nix.                    *
- *   Copyright (C) 2008 fqterm development group.                          *
- *                                                                         *
- *   This program 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 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef FQTERM_TRACE_H
 #define FQTERM_TRACE_H