Clarify ReScript licensing (runtime is MIT)

LICENSE

@@ -1,24 +1,11 @@
-Copyright (C) 2015-2016 Bloomberg Finance L.P.
-Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
+This repository contains code under multiple licenses.
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
+- compiler/: LGPL-3.0-or-later
+- compiler/syntax/: MIT
+- packages/@rescript/runtime/: MIT
+- rewatch/: MIT
 
-In addition to the permissions granted to you by the LGPL, you may combine
-or link a "work that uses the Library" with a publicly distributed version
-of this file to produce a combined library or application, then distribute
-that combined work under the terms of your choosing, with no requirement
-to comply with the obligations normally placed on you by section 4 of the
-LGPL version 3 (or the corresponding section of a later version of the LGPL
-should you choose to use a later version).
+See full license texts:
 
-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 Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+- LGPL-3.0-or-later: COPYING.LESSER (and COPYING where applicable)
+- MIT: LICENSE.MIT

compiler/syntax/LICENSE → LICENSE.MIT

@@ -1,6 +1,7 @@
 MIT License
 
-Copyright (c) 2020 - Authors of ReScript
+Copyright (c) 2015-2016 Bloomberg Finance L.P.
+Copyright (c) 2017- Hongbo Zhang, Authors of ReScript
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -11,7 +11,7 @@
 <p align="center">
   <a href="https://www.npmjs.org/package/rescript"><img src="https://img.shields.io/npm/v/rescript?color=brightgreen&label=npm%20package" alt="Current npm package version." /></a>
   <a href="https://github.com/rescript-lang/rescript/actions"><img src="https://github.com//rescript-lang/rescript/workflows/CI/badge.svg" alt="Current Github Actions workflow status." /></a>
-  <a href="https://github.com/rescript-lang/rescript/blob/HEAD/LICENSE"><img src="https://img.shields.io/badge/License-LGPL%20v3-blue.svg" alt="ReScript is released under the LGPL license." /></a>
+  <a href="https://github.com/rescript-lang/rescript/blob/HEAD/LICENSE"><img src="https://img.shields.io/badge/License-LGPL%20%2B%20MIT-blue.svg" alt="ReScript uses both LGPL and MIT licenses." /></a>
   <a href="https://x.com/intent/follow?screen_name=rescriptlang"><img src="https://img.shields.io/badge/X-000000?style=flat&logo=x&logoColor=white" alt="Follow @rescriptlang on X" /></a>
   <a href="https://bsky.app/profile/rescript-lang.org"><img src="https://img.shields.io/badge/Bluesky-0285FF?logo=bluesky&logoColor=fff&style=flat" alt="Follow @rescriptlang on Bluesky" /></a>
 </p>
@@ -92,9 +92,14 @@ For discussions on ongoing development, see the [Development](https://forum.resc
 
 ## 📄 License
 
-ReScript is licensed under LGPL version 3, with relaxed rules about creating and distributing combined work. See the [LICENSE](LICENSE) file for details.
+ReScript uses multiple licenses in this monorepo:
 
-The ReScript parser (subdirectory `compiler/syntax`) is licensed under the [MIT License](compiler/syntax/LICENSE).
+- `compiler/`: LGPL-3.0-or-later
+- `compiler/syntax/`: MIT
+- `packages/@rescript/runtime/`: MIT
+- `rewatch/`: MIT
+
+See the repository license index in [`LICENSE`](LICENSE) and full license texts in [`COPYING.LESSER`](COPYING.LESSER) and [`LICENSE.MIT`](LICENSE.MIT).
 
 ## 🏅 Acknowledgments
 

package.json

@@ -10,7 +10,7 @@
     "JavaScript",
     "Language"
   ],
-  "license": "SEE LICENSE IN LICENSE",
+  "license": "(LGPL-3.0-or-later AND MIT)",
   "homepage": "https://rescript-lang.org",
   "bugs": "https://github.com/rescript-lang/rescript/issues",
   "repository": {

packages/@rescript/darwin-arm64/package.json

@@ -3,6 +3,7 @@
   "version": "13.0.0-alpha.2",
   "description": "ReScript binaries for MacOS ARM64",
   "type": "module",
+  "license": "(LGPL-3.0-or-later AND MIT)",
   "homepage": "https://rescript-lang.org",
   "bugs": "https://github.com/rescript-lang/rescript/issues",
   "repository": {

packages/@rescript/darwin-x64/package.json

@@ -3,6 +3,7 @@
   "version": "13.0.0-alpha.2",
   "description": "ReScript binaries for MacOS x86_64",
   "type": "module",
+  "license": "(LGPL-3.0-or-later AND MIT)",
   "homepage": "https://rescript-lang.org",
   "bugs": "https://github.com/rescript-lang/rescript/issues",
   "repository": {

packages/@rescript/linux-arm64/package.json

@@ -3,6 +3,7 @@
   "version": "13.0.0-alpha.2",
   "description": "ReScript binaries for Linux ARM64",
   "type": "module",
+  "license": "(LGPL-3.0-or-later AND MIT)",
   "homepage": "https://rescript-lang.org",
   "bugs": "https://github.com/rescript-lang/rescript/issues",
   "repository": {

packages/@rescript/linux-x64/package.json

@@ -3,6 +3,7 @@
   "version": "13.0.0-alpha.2",
   "description": "ReScript binaries for Linux x86_64",
   "type": "module",
+  "license": "(LGPL-3.0-or-later AND MIT)",
   "homepage": "https://rescript-lang.org",
   "bugs": "https://github.com/rescript-lang/rescript/issues",
   "repository": {

packages/@rescript/runtime/Belt.res

@@ -1,26 +1,8 @@
 /* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
  *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * In addition to the permissions granted to you by the LGPL, you may combine
- * or link a "work that uses the Library" with a publicly distributed version
- * of this file to produce a combined library or application, then distribute
- * that combined work under the terms of your choosing, with no requirement
- * to comply with the obligations normally placed on you by section 4 of the
- * LGPL version 3 (or the corresponding section of a later version of the LGPL
- * should you choose to use a 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ * SPDX-License-Identifier: MIT
+ */
 
 /*** The ReScript standard library.
 

packages/@rescript/runtime/Belt_Array.res

@@ -1,15 +1,8 @@
-/* ********************************************************************* */
-/*  */
-/* OCaml */
-/*  */
-/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
-/*  */
-/* Copyright 1996 Institut National de Recherche en Informatique et */
-/* en Automatique.  All rights reserved.  This file is distributed */
-/* under the terms of the GNU Library General Public License, with */
-/* the special exception on linking described in file ../LICENSE. */
-/*  */
-/* ********************************************************************* */
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
+ *
+ * SPDX-License-Identifier: MIT
+ */
 
 /* Array operations */
 type t<'a> = array<'a>

packages/@rescript/runtime/Belt_Array.resi

@@ -1,16 +1,8 @@
-/* ********************************************************************* */
-/*  */
-/* OCaml */
-/*  */
-/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
-/*  */
-/* Copyright 1996 Institut National de Recherche en Informatique et */
-/* en Automatique.  All rights reserved.  This file is distributed */
-/* under the terms of the GNU Library General Public License, with */
-/* the special exception on linking described in file ../LICENSE. */
-/*  */
-/* ********************************************************************* */
-/* Adapted significantly by Authors of ReScript */
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
+ *
+ * SPDX-License-Identifier: MIT
+ */
 
 /***
 Utilities for `Array` functions.

packages/@rescript/runtime/Belt_Float.res

@@ -1,26 +1,8 @@
-/* Copyright (C) 2017 Hongbo Zhang, Authors of ReScript
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
  *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * In addition to the permissions granted to you by the LGPL, you may combine
- * or link a "work that uses the Library" with a publicly distributed version
- * of this file to produce a combined library or application, then distribute
- * that combined work under the terms of your choosing, with no requirement
- * to comply with the obligations normally placed on you by section 4 of the
- * LGPL version 3 (or the corresponding section of a later version of the LGPL
- * should you choose to use a 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ * SPDX-License-Identifier: MIT
+ */
 
 /*** [`Belt.Float`]()
     Utilities for Float

packages/@rescript/runtime/Belt_Float.resi

@@ -1,26 +1,8 @@
-/* Copyright (C) 2017 Authors of ReScript
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
  *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * In addition to the permissions granted to you by the LGPL, you may combine
- * or link a "work that uses the Library" with a publicly distributed version
- * of this file to produce a combined library or application, then distribute
- * that combined work under the terms of your choosing, with no requirement
- * to comply with the obligations normally placed on you by section 4 of the
- * LGPL version 3 (or the corresponding section of a later version of the LGPL
- * should you choose to use a 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ * SPDX-License-Identifier: MIT
+ */
 
 /*** This module includes convenience methods for handling `float` types. */
 

packages/@rescript/runtime/Belt_HashMap.res

@@ -1,16 +1,8 @@
-/* ********************************************************************* */
-/*  */
-/* OCaml */
-/*  */
-/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
-/*  */
-/* Copyright 1996 Institut National de Recherche en Informatique et */
-/* en Automatique.  All rights reserved.  This file is distributed */
-/* under the terms of the GNU Library General Public License, with */
-/* the special exception on linking described in file ../LICENSE. */
-/*  */
-/* Adapted by Hongbo Zhang, Authors of ReScript 2017 */
-/* ********************************************************************* */
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
+ *
+ * SPDX-License-Identifier: MIT
+ */
 
 module N = Belt_internalBuckets
 module C = Belt_internalBucketsType

packages/@rescript/runtime/Belt_HashMap.resi

@@ -1,26 +1,8 @@
-/* Copyright (C) 2018 Authors of ReScript
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
  *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * In addition to the permissions granted to you by the LGPL, you may combine
- * or link a "work that uses the Library" with a publicly distributed version
- * of this file to produce a combined library or application, then distribute
- * that combined work under the terms of your choosing, with no requirement
- * to comply with the obligations normally placed on you by section 4 of the
- * LGPL version 3 (or the corresponding section of a later version of the LGPL
- * should you choose to use a 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ * SPDX-License-Identifier: MIT
+ */
 
 /***
 A **mutable** Hash map which allows customized [`hash`]() behavior.

packages/@rescript/runtime/Belt_HashMapInt.res

@@ -1,15 +1,8 @@
-/* ********************************************************************* */
-/*  */
-/* OCaml */
-/*  */
-/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
-/*  */
-/* Copyright 1996 Institut National de Recherche en Informatique et */
-/* en Automatique.  All rights reserved.  This file is distributed */
-/* under the terms of the GNU Library General Public License, with */
-/* the special exception on linking described in file ../LICENSE. */
-/*  */
-/* ********************************************************************* */
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
+ *
+ * SPDX-License-Identifier: MIT
+ */
 
 /* Adapted by Hongbo Zhang, Authors of ReScript 2017 */
 

packages/@rescript/runtime/Belt_HashMapString.res

@@ -1,15 +1,8 @@
-/* ********************************************************************* */
-/*  */
-/* OCaml */
-/*  */
-/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
-/*  */
-/* Copyright 1996 Institut National de Recherche en Informatique et */
-/* en Automatique.  All rights reserved.  This file is distributed */
-/* under the terms of the GNU Library General Public License, with */
-/* the special exception on linking described in file ../LICENSE. */
-/*  */
-/* ********************************************************************* */
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
+ *
+ * SPDX-License-Identifier: MIT
+ */
 
 /* Adapted by Hongbo Zhang, Authors of ReScript 2017 */
 

packages/@rescript/runtime/Belt_HashSet.res

@@ -1,26 +1,8 @@
-/* Copyright (C) 2017 Hongbo Zhang, Authors of ReScript
+/* Copyright (C) 2015-2016 Bloomberg Finance L.P.
+ * Copyright (C) 2017- Hongbo Zhang, Authors of ReScript
  *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * In addition to the permissions granted to you by the LGPL, you may combine
- * or link a "work that uses the Library" with a publicly distributed version
- * of this file to produce a combined library or application, then distribute
- * that combined work under the terms of your choosing, with no requirement
- * to comply with the obligations normally placed on you by section 4 of the
- * LGPL version 3 (or the corresponding section of a later version of the LGPL
- * should you choose to use a 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ * SPDX-License-Identifier: MIT
+ */
 
 module Int = Belt_HashSetInt