copyright: fix out-of-date copyright ranges and missing headers

Reported by the new script 'scripts/copyright.pl'. The script has a
regex whitelist for the files that don't need copyright headers.

Removed three (mostly usesless) README files from docs/

Closes #5141

8 files changed, 128 insertions, 2 deletions

diff --git a/packages/OS400/curl.inc.in b/packages/OS400/curl.inc.in
index 72acbe3fa..5b3b2c059 100644
--- a/packages/OS400/curl.inc.in
+++ b/packages/OS400/curl.inc.in
@@ -5,7 +5,7 @@
       *                            | (__| |_| |  _ <| |___
       *                             \___|\___/|_| \_\_____|
       *
-      * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+      * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
       *
       * This software is licensed as described in the file COPYING, which
       * you should have received as part of this distribution. The terms
diff --git a/packages/OS400/initscript.sh b/packages/OS400/initscript.sh
index a13d651bc..a59351106 100644
--- a/packages/OS400/initscript.sh
+++ b/packages/OS400/initscript.sh
@@ -1,4 +1,25 @@
 #!/bin/sh
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
 
 
 setenv()
diff --git a/packages/OS400/make-include.sh b/packages/OS400/make-include.sh
index 3c50d2d5f..4cb0edd86 100644
--- a/packages/OS400/make-include.sh
+++ b/packages/OS400/make-include.sh
@@ -1,4 +1,25 @@
 #!/bin/sh
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
 #
 #       Installation of the header files in the OS/400 library.
 #
diff --git a/packages/OS400/make-lib.sh b/packages/OS400/make-lib.sh
index fadb4c5f6..c772b246c 100644
--- a/packages/OS400/make-lib.sh
+++ b/packages/OS400/make-lib.sh
@@ -1,4 +1,25 @@
 #!/bin/sh
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
 #
 #       libcurl compilation script for the OS/400.
 #
diff --git a/packages/OS400/make-src.sh b/packages/OS400/make-src.sh
index 090ae1287..dbe039b2c 100644
--- a/packages/OS400/make-src.sh
+++ b/packages/OS400/make-src.sh
@@ -1,4 +1,25 @@
 #!/bin/sh
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
 #
 #
 #       Not implemented yet on OS/400.
diff --git a/packages/OS400/make-tests.sh b/packages/OS400/make-tests.sh
index 9240b7ff6..54cdd2fea 100644
--- a/packages/OS400/make-tests.sh
+++ b/packages/OS400/make-tests.sh
@@ -1,4 +1,25 @@
 #!/bin/sh
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
 #
 #       tests compilation script for the OS/400.
 #
diff --git a/packages/OS400/makefile.sh b/packages/OS400/makefile.sh
index 7c6bcd7c6..3ff151202 100644
--- a/packages/OS400/makefile.sh
+++ b/packages/OS400/makefile.sh
@@ -1,4 +1,25 @@
 #!/bin/sh
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
 #
 #       curl compilation script for the OS/400.
 #
diff --git a/packages/OS400/os400sys.h b/packages/OS400/os400sys.h
index c98e198cc..8dafd6491 100644
--- a/packages/OS400/os400sys.h
+++ b/packages/OS400/os400sys.h
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms