Adopt REUSE machine-readable licensing standard

See https://reuse.software/ for details.

22 files changed, 51 insertions, 241 deletions

diff --git a/examples/cube_view.h b/examples/cube_view.h
index 27d1a44..647134c 100644
--- a/examples/cube_view.h
+++ b/examples/cube_view.h
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #ifndef EXAMPLES_CUBE_VIEW_H
 #define EXAMPLES_CUBE_VIEW_H
diff --git a/examples/demo_utils.h b/examples/demo_utils.h
index 2dda756..b43cc2b 100644
--- a/examples/demo_utils.h
+++ b/examples/demo_utils.h
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2019 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2019 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #ifndef EXAMPLES_DEMO_UTILS_H
 #define EXAMPLES_DEMO_UTILS_H
diff --git a/examples/file_utils.c b/examples/file_utils.c
index 8ecbca4..3b7c530 100644
--- a/examples/file_utils.c
+++ b/examples/file_utils.c
@@ -1,18 +1,5 @@
-/*
-  Copyright 2019-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2019-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #if !defined(__APPLE__) && !defined(_GNU_SOURCE)
 #  define _GNU_SOURCE
diff --git a/examples/file_utils.h b/examples/file_utils.h
index 1530157..ca9f68e 100644
--- a/examples/file_utils.h
+++ b/examples/file_utils.h
@@ -1,18 +1,5 @@
-/*
-  Copyright 2019-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2019-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #ifndef EXAMPLES_FILE_UTILS_H
 #define EXAMPLES_FILE_UTILS_H
diff --git a/examples/meson.build b/examples/meson.build
index 6984033..b952c6b 100644
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -1,3 +1,6 @@
+# Copyright 2021 David Robillard <d@drobilla.net>
+# SPDX-License-Identifier: CC0-1.0 OR ISC
+
 data_dir = get_option('prefix') / get_option('datadir') / 'pugl-0'
 example_defines = ['-DPUGL_DATA_DIR="@0@"'.format(data_dir)]
 
diff --git a/examples/pugl_cairo_demo.c b/examples/pugl_cairo_demo.c
index 1d998a8..5a81f7e 100644
--- a/examples/pugl_cairo_demo.c
+++ b/examples/pugl_cairo_demo.c
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #include "demo_utils.h"
 #include "test/test_utils.h"
diff --git a/examples/pugl_cpp_demo.cpp b/examples/pugl_cpp_demo.cpp
index 552094f..7d7b727 100644
--- a/examples/pugl_cpp_demo.cpp
+++ b/examples/pugl_cpp_demo.cpp
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #include "cube_view.h"
 #include "demo_utils.h"
diff --git a/examples/pugl_cursor_demo.c b/examples/pugl_cursor_demo.c
index 97e3b9f..7a6216f 100644
--- a/examples/pugl_cursor_demo.c
+++ b/examples/pugl_cursor_demo.c
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #include "test/test_utils.h"
 
diff --git a/examples/pugl_embed_demo.c b/examples/pugl_embed_demo.c
index 311ab3b..d375fcb 100644
--- a/examples/pugl_embed_demo.c
+++ b/examples/pugl_embed_demo.c
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #include "cube_view.h"
 #include "demo_utils.h"
diff --git a/examples/pugl_print_events.c b/examples/pugl_print_events.c
index dfa217e..9be9ca1 100644
--- a/examples/pugl_print_events.c
+++ b/examples/pugl_print_events.c
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #include "test/test_utils.h"
 
diff --git a/examples/pugl_shader_demo.c b/examples/pugl_shader_demo.c
index 2fd9a57..d5b9dad 100644
--- a/examples/pugl_shader_demo.c
+++ b/examples/pugl_shader_demo.c
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 /*
   An example of drawing with OpenGL 3/4.
diff --git a/examples/pugl_vulkan_cpp_demo.cpp b/examples/pugl_vulkan_cpp_demo.cpp
index 4a798ba..1a3edda 100644
--- a/examples/pugl_vulkan_cpp_demo.cpp
+++ b/examples/pugl_vulkan_cpp_demo.cpp
@@ -1,18 +1,5 @@
-/*
-  Copyright 2019-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2019-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 /*
   An example of drawing with Vulkan.
diff --git a/examples/pugl_vulkan_demo.c b/examples/pugl_vulkan_demo.c
index 801b74b..fe8437e 100644
--- a/examples/pugl_vulkan_demo.c
+++ b/examples/pugl_vulkan_demo.c
@@ -1,19 +1,6 @@
-/*
-  Copyright 2019-2020 David Robillard <d@drobilla.net>
-  Copyright 2019 Jordan Halase <jordan@halase.me>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2019-2020 David Robillard <d@drobilla.net>
+// Copyright 2019 Jordan Halase <jordan@halase.me>
+// SPDX-License-Identifier: ISC
 
 /*
   A simple example of drawing with Vulkan.
diff --git a/examples/pugl_window_demo.c b/examples/pugl_window_demo.c
index 34471f0..faa895d 100644
--- a/examples/pugl_window_demo.c
+++ b/examples/pugl_window_demo.c
@@ -1,18 +1,5 @@
-/*
-  Copyright 2012-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2012-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 /*
   A demonstration of using multiple top-level windows.
diff --git a/examples/rects.h b/examples/rects.h
index b99d9f0..9541761 100644
--- a/examples/rects.h
+++ b/examples/rects.h
@@ -1,18 +1,5 @@
-/*
-  Copyright 2019-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2019-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #ifndef EXAMPLES_RECTS_H
 #define EXAMPLES_RECTS_H
diff --git a/examples/shader_utils.h b/examples/shader_utils.h
index 2575f47..ac9e807 100644
--- a/examples/shader_utils.h
+++ b/examples/shader_utils.h
@@ -1,18 +1,5 @@
-/*
-  Copyright 2019-2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2019-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 #ifndef EXAMPLES_SHADER_UTILS_H
 #define EXAMPLES_SHADER_UTILS_H
diff --git a/examples/shaders/header_330.glsl b/examples/shaders/header_330.glsl
index 59d5f6f..1de3301 100644
--- a/examples/shaders/header_330.glsl
+++ b/examples/shaders/header_330.glsl
@@ -1,3 +1,6 @@
+// Copyright 2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
 #version 330 core
 
 #define INTER(qualifiers)
diff --git a/examples/shaders/header_420.glsl b/examples/shaders/header_420.glsl
index 2beaad0..95fe1a1 100644
--- a/examples/shaders/header_420.glsl
+++ b/examples/shaders/header_420.glsl
@@ -1,3 +1,6 @@
+// Copyright 2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
 #version 420 core
 
 #define INTER(qualifiers) layout(qualifiers)
diff --git a/examples/shaders/meson.build b/examples/shaders/meson.build
index e47be9d..83859b3 100644
--- a/examples/shaders/meson.build
+++ b/examples/shaders/meson.build
@@ -1,3 +1,6 @@
+# Copyright 2021 David Robillard <d@drobilla.net>
+# SPDX-License-Identifier: CC0-1.0 OR ISC
+
 shader_files = [
   'header_330.glsl',
   'header_420.glsl',
diff --git a/examples/shaders/rect.frag b/examples/shaders/rect.frag
index 33bfbb2..9cee53b 100644
--- a/examples/shaders/rect.frag
+++ b/examples/shaders/rect.frag
@@ -1,3 +1,6 @@
+// Copyright 2019-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
 /* The fragment shader uses the UV coordinates to calculate whether it is in
    the T, R, B, or L border.  These are then mixed with the border color, and
    their inverse is mixed with the fill color, to calculate the fragment color.
diff --git a/examples/shaders/rect.vert b/examples/shaders/rect.vert
index 2c7b5f1..0fa4dbc 100644
--- a/examples/shaders/rect.vert
+++ b/examples/shaders/rect.vert
@@ -1,3 +1,6 @@
+// Copyright 2019-2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
 /* The vertex shader is trivial, but forwards scaled UV coordinates (in pixels)
    to the fragment shader for drawing the border. */
 
diff --git a/examples/sybok.hpp b/examples/sybok.hpp
index 7740824..c0133f2 100644
--- a/examples/sybok.hpp
+++ b/examples/sybok.hpp
@@ -1,18 +1,5 @@
-/*
-  Copyright 2020 David Robillard <d@drobilla.net>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
+// Copyright 2020 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
 
 /**
    @file sybok.hpp