all: convert license and copyright to use SPDX identifiers

With help of spdxconv tool [1], we able to bulk update all files license
and copyright format to comply with SPDX formats.

[1] https://kilabit.info/project/spdxconv/

19 files changed, 41 insertions, 48 deletions

diff --git a/lib/strings/parser.go b/lib/strings/parser.go
index 6813a45f..5d6fc6b5 100644
--- a/lib/strings/parser.go
+++ b/lib/strings/parser.go
@@ -1,6 +1,5 @@
-// Copyright 2019, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2019 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/parser_benchmark_test.go b/lib/strings/parser_benchmark_test.go
index a41c2128..8ecc5dbd 100644
--- a/lib/strings/parser_benchmark_test.go
+++ b/lib/strings/parser_benchmark_test.go
@@ -1,6 +1,5 @@
-// Copyright 2019, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2019 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/parser_example_test.go b/lib/strings/parser_example_test.go
index 726609cb..71491811 100644
--- a/lib/strings/parser_example_test.go
+++ b/lib/strings/parser_example_test.go
@@ -1,6 +1,5 @@
-// Copyright 2019, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2019 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/row_example_test.go b/lib/strings/row_example_test.go
index 0b4acfc0..1c05b39d 100644
--- a/lib/strings/row_example_test.go
+++ b/lib/strings/row_example_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/row_test.go b/lib/strings/row_test.go
index bcc48892..5d302a3d 100644
--- a/lib/strings/row_test.go
+++ b/lib/strings/row_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/statistic.go b/lib/strings/statistic.go
index 0a77c6ad..5be97bc1 100644
--- a/lib/strings/statistic.go
+++ b/lib/strings/statistic.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/statistic_example_test.go b/lib/strings/statistic_example_test.go
index be989d64..4c8ea2e0 100644
--- a/lib/strings/statistic_example_test.go
+++ b/lib/strings/statistic_example_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/statistic_test.go b/lib/strings/statistic_test.go
index ff70a034..c5d539c2 100644
--- a/lib/strings/statistic_test.go
+++ b/lib/strings/statistic_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/string.go b/lib/strings/string.go
index 46464257..ac959a39 100644
--- a/lib/strings/string.go
+++ b/lib/strings/string.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/string_example_test.go b/lib/strings/string_example_test.go
index f83be421..119832c8 100644
--- a/lib/strings/string_example_test.go
+++ b/lib/strings/string_example_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/string_test.go b/lib/strings/string_test.go
index 1470cd18..ae1424ff 100644
--- a/lib/strings/string_test.go
+++ b/lib/strings/string_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/strings_example_test.go b/lib/strings/strings_example_test.go
index c69e52c5..c0324cda 100644
--- a/lib/strings/strings_example_test.go
+++ b/lib/strings/strings_example_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/strings_test.go b/lib/strings/strings_test.go
index 7a005187..e53835b6 100644
--- a/lib/strings/strings_test.go
+++ b/lib/strings/strings_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/table_example_test.go b/lib/strings/table_example_test.go
index 57160171..e6a6cba8 100644
--- a/lib/strings/table_example_test.go
+++ b/lib/strings/table_example_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/table_test.go b/lib/strings/table_test.go
index 774ac2d6..bf8a3b01 100644
--- a/lib/strings/table_test.go
+++ b/lib/strings/table_test.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings
 
diff --git a/lib/strings/testdata/clean_uri_test.txt b/lib/strings/testdata/clean_uri_test.txt
index fd85d251..f4197da4 100644
--- a/lib/strings/testdata/clean_uri_test.txt
+++ b/lib/strings/testdata/clean_uri_test.txt
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2022 M. Shulhan <ms@kilabit.info>
+
 This test remove any URL from the strings.
 
 >>>
diff --git a/lib/strings/testdata/clean_wiki_markup_test.txt b/lib/strings/testdata/clean_wiki_markup_test.txt
index 852d52e4..0fa432c7 100644
--- a/lib/strings/testdata/clean_wiki_markup_test.txt
+++ b/lib/strings/testdata/clean_wiki_markup_test.txt
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2022 M. Shulhan <ms@kilabit.info>
+
 >>>
 ==External links==
 *[http://www.bigfinish.com/24-Doctor-Who-The-Eye-of-the-Scorpion Big Finish Productions - ''The Eye of the Scorpion'']
diff --git a/lib/strings/testdata/split_test.txt b/lib/strings/testdata/split_test.txt
index 630738be..9ff96327 100644
--- a/lib/strings/testdata/split_test.txt
+++ b/lib/strings/testdata/split_test.txt
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2022 M. Shulhan <ms@kilabit.info>
+
 Test Split with clean and unique parameters.
 
 >>> Single-line
diff --git a/lib/strings/wikimarkup.go b/lib/strings/wikimarkup.go
index f7cc4be0..8ad35ce3 100644
--- a/lib/strings/wikimarkup.go
+++ b/lib/strings/wikimarkup.go
@@ -1,6 +1,5 @@
-// Copyright 2018, Shulhan <ms@kilabit.info>. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2018 Shulhan <ms@kilabit.info>
 
 package strings