Relicense: ISC -> MIT

They're pretty much equivalent, and while I prefer the ISC for brevity,
MIT is the de-facto standard license of this kind nowadays.

LICENSE

@@ -1,5 +1,7 @@
 Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
 
-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.
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
-THE 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.
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

OTDIPC-TestClient/OTDIPC-TestClient.cpp

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 
 #define WIN32_LEAN_AND_MEAN 1

OTDIPC/DeviceInfo.cs

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 using System.Runtime.InteropServices;
 

OTDIPC/Header.cs

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 using System.Runtime.InteropServices;
 

OTDIPC/MessageType.cs

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 using System.Runtime.InteropServices;
 

OTDIPC/OTDIPC.cs

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 using OpenTabletDriver.Plugin;
 using OpenTabletDriver.Plugin.Attributes;

OTDIPC/Ping.cs

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 using System.Runtime.InteropServices;
 

OTDIPC/Server.cs

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 using OpenTabletDriver.Plugin;
 using OpenTabletDriver.Plugin.Attributes;

OTDIPC/State.cs

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 using System.Runtime.InteropServices;
 

README.md

@@ -44,7 +44,7 @@ A C++20 [example client](OTDIPC-TestClient/OTDIPC-TestClient.cpp) is included.
 
 ## License
 
-OpenKneeboard OTD-IPC is licensed under [the ISC license](LICENSE); however, note that the plugin uses interfaces defined in OpenTabletDriver itself, which are licensed under [their own terms](OpenTabletDriver-LICENSE), which may apply to the plugin as a whole.
+OpenKneeboard OTD-IPC is licensed under [the MIT license](LICENSE); however, note that the plugin uses interfaces defined in OpenTabletDriver itself, which are licensed under [their own terms](OpenTabletDriver-LICENSE), which may apply to the compiled plugin as-distributed.
 
 [Discord]: https://go.openkneeboard.com/discord
 [OpenKneeboard]: https://github.com/OpenKneeboard/OpenKneeboard

include/OTD-IPC/DeviceInfo.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 #pragma once
 

include/OTD-IPC/Header.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 #pragma once
 

include/OTD-IPC/MessageType.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 #pragma once
 

include/OTD-IPC/NamedPipePath.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 #pragma once
 

include/OTD-IPC/Ping.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 #pragma once
 

include/OTD-IPC/State.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2022 Fred Emmott <fred@fredemmott.com>
  *
- * SPDX-License-Identifier: ISC
+ * SPDX-License-Identifier: MIT
  */
 #pragma once