From 108294deeb0897199ebdf0af203ff8ddd457b1ef Mon Sep 17 00:00:00 2001
From: Takashi Idobe <idobetakashi@gmail.com>
Date: Tue, 21 Jan 2020 09:01:55 -0600
Subject: [PATCH] change copyrights from 2019 to 2020 (#3733)

---
 .rustfmt.toml                                | 2 +-
 LICENSE                                      | 2 +-
 cli/js/compiler_api.ts                       | 2 +-
 cli/js/compiler_api_test.ts                  | 2 +-
 cli/js/compiler_host.ts                      | 2 +-
 cli/js/compiler_imports.ts                   | 2 +-
 cli/js/compiler_sourcefile.ts                | 2 +-
 cli/js/compiler_util.ts                      | 2 +-
 cli/js/diagnostics_util.ts                   | 2 +-
 cli/js/mixins/dom_iterable.ts                | 2 +-
 cli/js/mixins/dom_iterable_test.ts           | 2 +-
 std/encoding/testdata/cargo.toml             | 2 +-
 std/encoding/yaml/dumper/dumper.ts           | 2 +-
 std/encoding/yaml/dumper/dumper_state.ts     | 2 +-
 std/encoding/yaml/error.ts                   | 2 +-
 std/encoding/yaml/example/dump.ts            | 2 +-
 std/encoding/yaml/example/inout.ts           | 2 +-
 std/encoding/yaml/example/parse.ts           | 2 +-
 std/encoding/yaml/example/sample_document.ts | 2 +-
 std/encoding/yaml/loader/loader.ts           | 2 +-
 std/encoding/yaml/loader/loader_state.ts     | 2 +-
 std/encoding/yaml/mark.ts                    | 2 +-
 std/encoding/yaml/parse.ts                   | 2 +-
 std/encoding/yaml/parse_test.ts              | 2 +-
 std/encoding/yaml/schema.ts                  | 2 +-
 std/encoding/yaml/schema/core.ts             | 2 +-
 std/encoding/yaml/schema/default.ts          | 2 +-
 std/encoding/yaml/schema/failsafe.ts         | 2 +-
 std/encoding/yaml/schema/json.ts             | 2 +-
 std/encoding/yaml/schema/mod.ts              | 2 +-
 std/encoding/yaml/state.ts                   | 2 +-
 std/encoding/yaml/stringify.ts               | 2 +-
 std/encoding/yaml/stringify_test.ts          | 2 +-
 std/encoding/yaml/type.ts                    | 2 +-
 std/encoding/yaml/type/binary.ts             | 2 +-
 std/encoding/yaml/type/bool.ts               | 2 +-
 std/encoding/yaml/type/float.ts              | 2 +-
 std/encoding/yaml/type/int.ts                | 2 +-
 std/encoding/yaml/type/map.ts                | 2 +-
 std/encoding/yaml/type/merge.ts              | 2 +-
 std/encoding/yaml/type/mod.ts                | 2 +-
 std/encoding/yaml/type/nil.ts                | 2 +-
 std/encoding/yaml/type/omap.ts               | 2 +-
 std/encoding/yaml/type/pairs.ts              | 2 +-
 std/encoding/yaml/type/seq.ts                | 2 +-
 std/encoding/yaml/type/set.ts                | 2 +-
 std/encoding/yaml/type/str.ts                | 2 +-
 std/encoding/yaml/type/timestamp.ts          | 2 +-
 std/encoding/yaml/utils.ts                   | 2 +-
 std/http/testdata/simple_https_server.ts     | 2 +-
 std/http/testdata/simple_server.ts           | 2 +-
 std/uuid/tests/isNil.ts                      | 2 +-
 std/uuid/tests/v4/generate.ts                | 2 +-
 std/uuid/tests/v4/validate.ts                | 2 +-
 tools/hyper_hello/hyper_hello.rs             | 2 +-
 tools/throughput_benchmark.py                | 2 +-
 tools/upload_docs.py                         | 2 +-
 tools/util.py                                | 2 +-
 tools/util_test.py                           | 2 +-
 59 files changed, 59 insertions(+), 59 deletions(-)

diff --git a/.rustfmt.toml b/.rustfmt.toml
index ea036b878a..8b888c2328 100644
--- a/.rustfmt.toml
+++ b/.rustfmt.toml
@@ -1,4 +1,4 @@
-# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 max_width = 80
 tab_spaces = 2
 edition = "2018"
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
index 5a671244de..1308edcb65 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018-2019 the Deno authors
+Copyright (c) 2018-2020 the Deno authors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/cli/js/compiler_api.ts b/cli/js/compiler_api.ts
index 487807d66e..dc81f34aba 100644
--- a/cli/js/compiler_api.ts
+++ b/cli/js/compiler_api.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 // This file contains the runtime APIs which will dispatch work to the internal
 // compiler within Deno.
diff --git a/cli/js/compiler_api_test.ts b/cli/js/compiler_api_test.ts
index 802fa6d463..8d7bf57d37 100644
--- a/cli/js/compiler_api_test.ts
+++ b/cli/js/compiler_api_test.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { assert, assertEquals, test } from "./test_util.ts";
 
diff --git a/cli/js/compiler_host.ts b/cli/js/compiler_host.ts
index 576273bbdb..3e6df44856 100644
--- a/cli/js/compiler_host.ts
+++ b/cli/js/compiler_host.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { MediaType, SourceFile } from "./compiler_sourcefile.ts";
 import { OUT_DIR, WriteFileCallback } from "./compiler_util.ts";
diff --git a/cli/js/compiler_imports.ts b/cli/js/compiler_imports.ts
index d861f8ddc8..042c0a1ae6 100644
--- a/cli/js/compiler_imports.ts
+++ b/cli/js/compiler_imports.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import {
   MediaType,
diff --git a/cli/js/compiler_sourcefile.ts b/cli/js/compiler_sourcefile.ts
index 21cece3873..8e81cdb456 100644
--- a/cli/js/compiler_sourcefile.ts
+++ b/cli/js/compiler_sourcefile.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import {
   getMappedModuleName,
diff --git a/cli/js/compiler_util.ts b/cli/js/compiler_util.ts
index 30c6f61629..bff3bcd510 100644
--- a/cli/js/compiler_util.ts
+++ b/cli/js/compiler_util.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { bold, cyan, yellow } from "./colors.ts";
 import { CompilerOptions } from "./compiler_api.ts";
diff --git a/cli/js/diagnostics_util.ts b/cli/js/diagnostics_util.ts
index cc384ebb0f..f7d0f5b72b 100644
--- a/cli/js/diagnostics_util.ts
+++ b/cli/js/diagnostics_util.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 // These utilities are used by compiler.ts to format TypeScript diagnostics
 // into Deno Diagnostics.
diff --git a/cli/js/mixins/dom_iterable.ts b/cli/js/mixins/dom_iterable.ts
index aec4e7aa01..976d81be79 100644
--- a/cli/js/mixins/dom_iterable.ts
+++ b/cli/js/mixins/dom_iterable.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 import { DomIterable } from "../dom_types.ts";
 import { requiredArguments } from "../util.ts";
diff --git a/cli/js/mixins/dom_iterable_test.ts b/cli/js/mixins/dom_iterable_test.ts
index 57e6559893..466375d64c 100644
--- a/cli/js/mixins/dom_iterable_test.ts
+++ b/cli/js/mixins/dom_iterable_test.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { test, assert, assertEquals } from "../test_util.ts";
 
 // eslint-disable-next-line @typescript-eslint/explicit-function-return-type
diff --git a/std/encoding/testdata/cargo.toml b/std/encoding/testdata/cargo.toml
index 291aa7db6d..11bf7aa70d 100644
--- a/std/encoding/testdata/cargo.toml
+++ b/std/encoding/testdata/cargo.toml
@@ -1,4 +1,4 @@
-# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 # Dummy package info required by `cargo fetch`.
 # Use tools/sync_third_party.py to install deps after editing this file.
 # Deno does not build with cargo. Deno uses a build system called gn.
diff --git a/std/encoding/yaml/dumper/dumper.ts b/std/encoding/yaml/dumper/dumper.ts
index 4ee8e36b4a..3a34e14cc7 100644
--- a/std/encoding/yaml/dumper/dumper.ts
+++ b/std/encoding/yaml/dumper/dumper.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 /* eslint-disable max-len */
 
diff --git a/std/encoding/yaml/dumper/dumper_state.ts b/std/encoding/yaml/dumper/dumper_state.ts
index c2b7608f56..88164a0d23 100644
--- a/std/encoding/yaml/dumper/dumper_state.ts
+++ b/std/encoding/yaml/dumper/dumper_state.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Schema, SchemaDefinition } from "../schema.ts";
 import { State } from "../state.ts";
diff --git a/std/encoding/yaml/error.ts b/std/encoding/yaml/error.ts
index 8baf805b57..62be8b477d 100644
--- a/std/encoding/yaml/error.ts
+++ b/std/encoding/yaml/error.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Mark } from "./mark.ts";
 
diff --git a/std/encoding/yaml/example/dump.ts b/std/encoding/yaml/example/dump.ts
index c4282d657e..746c3be01b 100644
--- a/std/encoding/yaml/example/dump.ts
+++ b/std/encoding/yaml/example/dump.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { stringify } from "../../yaml.ts";
 
diff --git a/std/encoding/yaml/example/inout.ts b/std/encoding/yaml/example/inout.ts
index 6a52d808b4..80cad82587 100644
--- a/std/encoding/yaml/example/inout.ts
+++ b/std/encoding/yaml/example/inout.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { parse, stringify } from "../../yaml.ts";
 
diff --git a/std/encoding/yaml/example/parse.ts b/std/encoding/yaml/example/parse.ts
index 31d4c88773..fc15daf9cf 100644
--- a/std/encoding/yaml/example/parse.ts
+++ b/std/encoding/yaml/example/parse.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { parse } from "../../yaml.ts";
 
diff --git a/std/encoding/yaml/example/sample_document.ts b/std/encoding/yaml/example/sample_document.ts
index 7b426c1427..c9372e8ec3 100644
--- a/std/encoding/yaml/example/sample_document.ts
+++ b/std/encoding/yaml/example/sample_document.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 /* eslint-disable @typescript-eslint/explicit-function-return-type */
 
 import { parse } from "../../yaml.ts";
diff --git a/std/encoding/yaml/loader/loader.ts b/std/encoding/yaml/loader/loader.ts
index a81395a8e9..556bd5b475 100644
--- a/std/encoding/yaml/loader/loader.ts
+++ b/std/encoding/yaml/loader/loader.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 /* eslint-disable no-conditional-assignment */
 /* eslint-disable max-len */
diff --git a/std/encoding/yaml/loader/loader_state.ts b/std/encoding/yaml/loader/loader_state.ts
index a316f5031c..1e136025cf 100644
--- a/std/encoding/yaml/loader/loader_state.ts
+++ b/std/encoding/yaml/loader/loader_state.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { YAMLError } from "../error.ts";
 import { Schema, SchemaDefinition, TypeMap } from "../schema.ts";
diff --git a/std/encoding/yaml/mark.ts b/std/encoding/yaml/mark.ts
index d91e3950dc..44cf175a02 100644
--- a/std/encoding/yaml/mark.ts
+++ b/std/encoding/yaml/mark.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { repeat } from "./utils.ts";
 
diff --git a/std/encoding/yaml/parse.ts b/std/encoding/yaml/parse.ts
index aacffe7f92..2aa0042bdd 100644
--- a/std/encoding/yaml/parse.ts
+++ b/std/encoding/yaml/parse.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { CbFunction, load, loadAll } from "./loader/loader.ts";
 import { LoaderStateOptions } from "./loader/loader_state.ts";
diff --git a/std/encoding/yaml/parse_test.ts b/std/encoding/yaml/parse_test.ts
index ec1b386f96..b7b742d61b 100644
--- a/std/encoding/yaml/parse_test.ts
+++ b/std/encoding/yaml/parse_test.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { parse, parseAll } from "./parse.ts";
 import { test } from "../../testing/mod.ts";
diff --git a/std/encoding/yaml/schema.ts b/std/encoding/yaml/schema.ts
index 715e17359f..1968e34c1e 100644
--- a/std/encoding/yaml/schema.ts
+++ b/std/encoding/yaml/schema.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { YAMLError } from "./error.ts";
 import { KindType, Type } from "./type.ts";
diff --git a/std/encoding/yaml/schema/core.ts b/std/encoding/yaml/schema/core.ts
index b37f4a3358..82a512a1e1 100644
--- a/std/encoding/yaml/schema/core.ts
+++ b/std/encoding/yaml/schema/core.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Schema } from "../schema.ts";
 import { json } from "./json.ts";
diff --git a/std/encoding/yaml/schema/default.ts b/std/encoding/yaml/schema/default.ts
index 6a326cbb20..0fe1dbf129 100644
--- a/std/encoding/yaml/schema/default.ts
+++ b/std/encoding/yaml/schema/default.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Schema } from "../schema.ts";
 import { binary, merge, omap, pairs, set, timestamp } from "../type/mod.ts";
diff --git a/std/encoding/yaml/schema/failsafe.ts b/std/encoding/yaml/schema/failsafe.ts
index f8892c27d9..0fbb74ca9d 100644
--- a/std/encoding/yaml/schema/failsafe.ts
+++ b/std/encoding/yaml/schema/failsafe.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Schema } from "../schema.ts";
 import { map, seq, str } from "../type/mod.ts";
diff --git a/std/encoding/yaml/schema/json.ts b/std/encoding/yaml/schema/json.ts
index 331313237c..dae469f350 100644
--- a/std/encoding/yaml/schema/json.ts
+++ b/std/encoding/yaml/schema/json.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Schema } from "../schema.ts";
 import { bool, float, int, nil } from "../type/mod.ts";
diff --git a/std/encoding/yaml/schema/mod.ts b/std/encoding/yaml/schema/mod.ts
index 4eaf30e37c..7cbe0c2833 100644
--- a/std/encoding/yaml/schema/mod.ts
+++ b/std/encoding/yaml/schema/mod.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 export { core as CORE_SCHEMA } from "./core.ts";
 export { def as DEFAULT_SCHEMA } from "./default.ts";
diff --git a/std/encoding/yaml/state.ts b/std/encoding/yaml/state.ts
index 6c85c7dd32..6df6dc0476 100644
--- a/std/encoding/yaml/state.ts
+++ b/std/encoding/yaml/state.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { SchemaDefinition } from "./schema.ts";
 import { DEFAULT_SCHEMA } from "./schema/mod.ts";
diff --git a/std/encoding/yaml/stringify.ts b/std/encoding/yaml/stringify.ts
index 0e94a18e53..f037631d9c 100644
--- a/std/encoding/yaml/stringify.ts
+++ b/std/encoding/yaml/stringify.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { dump } from "./dumper/dumper.ts";
 import { DumperStateOptions } from "./dumper/dumper_state.ts";
diff --git a/std/encoding/yaml/stringify_test.ts b/std/encoding/yaml/stringify_test.ts
index 60b41fd755..ceedb7a3cb 100644
--- a/std/encoding/yaml/stringify_test.ts
+++ b/std/encoding/yaml/stringify_test.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { test } from "../../testing/mod.ts";
 import { assertEquals } from "../../testing/asserts.ts";
diff --git a/std/encoding/yaml/type.ts b/std/encoding/yaml/type.ts
index 7f8918d4fd..4a2c6bbacf 100644
--- a/std/encoding/yaml/type.ts
+++ b/std/encoding/yaml/type.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { ArrayObject, Any } from "./utils.ts";
 
diff --git a/std/encoding/yaml/type/binary.ts b/std/encoding/yaml/type/binary.ts
index 7c4fc1f06f..8cfe54f796 100644
--- a/std/encoding/yaml/type/binary.ts
+++ b/std/encoding/yaml/type/binary.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 import { Any } from "../utils.ts";
diff --git a/std/encoding/yaml/type/bool.ts b/std/encoding/yaml/type/bool.ts
index 28e9b2e9ec..e39823872f 100644
--- a/std/encoding/yaml/type/bool.ts
+++ b/std/encoding/yaml/type/bool.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 import { isBoolean } from "../utils.ts";
diff --git a/std/encoding/yaml/type/float.ts b/std/encoding/yaml/type/float.ts
index 359a7cc374..acb12f5b00 100644
--- a/std/encoding/yaml/type/float.ts
+++ b/std/encoding/yaml/type/float.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { StyleVariant, Type } from "../type.ts";
 import { isNegativeZero, Any } from "../utils.ts";
diff --git a/std/encoding/yaml/type/int.ts b/std/encoding/yaml/type/int.ts
index d2ffb17012..93ec8260e5 100644
--- a/std/encoding/yaml/type/int.ts
+++ b/std/encoding/yaml/type/int.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 import { isNegativeZero, Any } from "../utils.ts";
diff --git a/std/encoding/yaml/type/map.ts b/std/encoding/yaml/type/map.ts
index 6d273254d5..60e6786572 100644
--- a/std/encoding/yaml/type/map.ts
+++ b/std/encoding/yaml/type/map.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 import { Any } from "../utils.ts";
diff --git a/std/encoding/yaml/type/merge.ts b/std/encoding/yaml/type/merge.ts
index 9389a0d208..77b34025b5 100644
--- a/std/encoding/yaml/type/merge.ts
+++ b/std/encoding/yaml/type/merge.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 
diff --git a/std/encoding/yaml/type/mod.ts b/std/encoding/yaml/type/mod.ts
index 1970753df7..15f33301ed 100644
--- a/std/encoding/yaml/type/mod.ts
+++ b/std/encoding/yaml/type/mod.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 export { binary } from "./binary.ts";
 export { bool } from "./bool.ts";
diff --git a/std/encoding/yaml/type/nil.ts b/std/encoding/yaml/type/nil.ts
index c7e87f96d8..00627514cc 100644
--- a/std/encoding/yaml/type/nil.ts
+++ b/std/encoding/yaml/type/nil.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 
diff --git a/std/encoding/yaml/type/omap.ts b/std/encoding/yaml/type/omap.ts
index 1b7a79a506..541e31df62 100644
--- a/std/encoding/yaml/type/omap.ts
+++ b/std/encoding/yaml/type/omap.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 import { Any } from "../utils.ts";
diff --git a/std/encoding/yaml/type/pairs.ts b/std/encoding/yaml/type/pairs.ts
index 37f8eb6307..c964524b56 100644
--- a/std/encoding/yaml/type/pairs.ts
+++ b/std/encoding/yaml/type/pairs.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 import { Any } from "../utils.ts";
diff --git a/std/encoding/yaml/type/seq.ts b/std/encoding/yaml/type/seq.ts
index 32c700b6eb..bd7ceb9453 100644
--- a/std/encoding/yaml/type/seq.ts
+++ b/std/encoding/yaml/type/seq.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 import { Any } from "../utils.ts";
diff --git a/std/encoding/yaml/type/set.ts b/std/encoding/yaml/type/set.ts
index 3273223f77..3b7fca0e96 100644
--- a/std/encoding/yaml/type/set.ts
+++ b/std/encoding/yaml/type/set.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 import { Any } from "../utils.ts";
diff --git a/std/encoding/yaml/type/str.ts b/std/encoding/yaml/type/str.ts
index 8c24e93989..c7227743e3 100644
--- a/std/encoding/yaml/type/str.ts
+++ b/std/encoding/yaml/type/str.ts
@@ -1,6 +1,6 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 
diff --git a/std/encoding/yaml/type/timestamp.ts b/std/encoding/yaml/type/timestamp.ts
index 38cc9d9400..14d24077a8 100644
--- a/std/encoding/yaml/type/timestamp.ts
+++ b/std/encoding/yaml/type/timestamp.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 import { Type } from "../type.ts";
 
diff --git a/std/encoding/yaml/utils.ts b/std/encoding/yaml/utils.ts
index 0f2d7abe7f..4630a45a27 100644
--- a/std/encoding/yaml/utils.ts
+++ b/std/encoding/yaml/utils.ts
@@ -1,7 +1,7 @@
 // Ported from js-yaml v3.13.1:
 // https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
 // Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
 /* eslint-disable-next-line @typescript-eslint/no-explicit-any */
 export type Any = any;
diff --git a/std/http/testdata/simple_https_server.ts b/std/http/testdata/simple_https_server.ts
index 21d1181cf8..9330b4172b 100644
--- a/std/http/testdata/simple_https_server.ts
+++ b/std/http/testdata/simple_https_server.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 // This is an example of a https server
 import { serveTLS } from "../server.ts";
 
diff --git a/std/http/testdata/simple_server.ts b/std/http/testdata/simple_server.ts
index d53e72dcfc..d8ca4cc97b 100644
--- a/std/http/testdata/simple_server.ts
+++ b/std/http/testdata/simple_server.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 // This is an example of a server that responds with an empty body
 import { serve } from "../server.ts";
 
diff --git a/std/uuid/tests/isNil.ts b/std/uuid/tests/isNil.ts
index 29f0feb624..dcb10b84d5 100644
--- a/std/uuid/tests/isNil.ts
+++ b/std/uuid/tests/isNil.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { assert } from "../../testing/asserts.ts";
 import { test } from "../../testing/mod.ts";
 // @ts-ignore
diff --git a/std/uuid/tests/v4/generate.ts b/std/uuid/tests/v4/generate.ts
index bc03970d8d..dfbd90c03b 100644
--- a/std/uuid/tests/v4/generate.ts
+++ b/std/uuid/tests/v4/generate.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { assert, assertEquals } from "../../../testing/asserts.ts";
 import { test } from "../../../testing/mod.ts";
 import { generate, validate } from "../../v4.ts";
diff --git a/std/uuid/tests/v4/validate.ts b/std/uuid/tests/v4/validate.ts
index 8358be66a5..6a8b665559 100644
--- a/std/uuid/tests/v4/validate.ts
+++ b/std/uuid/tests/v4/validate.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { assert } from "../../../testing/asserts.ts";
 import { test } from "../../../testing/mod.ts";
 import { generate, validate } from "../../v4.ts";
diff --git a/tools/hyper_hello/hyper_hello.rs b/tools/hyper_hello/hyper_hello.rs
index bf786abf92..39d4e55ef2 100644
--- a/tools/hyper_hello/hyper_hello.rs
+++ b/tools/hyper_hello/hyper_hello.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 // Adapted from https://github.com/hyperium/hyper/blob/master/examples/hello.rs
 
 #![deny(warnings)]
diff --git a/tools/throughput_benchmark.py b/tools/throughput_benchmark.py
index f46503193f..ba80b99099 100755
--- a/tools/throughput_benchmark.py
+++ b/tools/throughput_benchmark.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 # Performs benchmark and append data to //website/data.json.
 # If //website/data.json doesn't exist, this script tries to import it from
 # gh-pages branch.
diff --git a/tools/upload_docs.py b/tools/upload_docs.py
index 7fe8857a6f..b37ab4e965 100755
--- a/tools/upload_docs.py
+++ b/tools/upload_docs.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import os
 import sys
 from util import run, root_path
diff --git a/tools/util.py b/tools/util.py
index 9a4c0ce02b..c54158f9b1 100644
--- a/tools/util.py
+++ b/tools/util.py
@@ -1,4 +1,4 @@
-# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import collections
 import os
 import re
diff --git a/tools/util_test.py b/tools/util_test.py
index b8098e4639..2d67701597 100755
--- a/tools/util_test.py
+++ b/tools/util_test.py
@@ -1,4 +1,4 @@
-# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import os
 
 from test_util import DenoTestCase, run_tests