copyright: fix out-of-date copyright ranges and missing headers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

1 files changed, 21 insertions, 0 deletions

diff --git a/.dir-locals.el b/.dir-locals.el
index ed91b128c..7c209357d 100644
--- a/.dir-locals.el
+++ b/.dir-locals.el
@@ -1,3 +1,24 @@
+;;;***************************************************************************
+;;;                                  _   _ ____  _
+;;;  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.
+;;;
+;;;***************************************************************************
 ;;; Directory Local Variables
 ;;; See Info node `(emacs) Directory Variables' for more information.