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diff --git a/lisp/emacs-lisp/tcover-unsafep.el b/lisp/emacs-lisp/tcover-unsafep.el
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@@ -1,140 +0,0 @@
-;;;; testcover-unsafep.el -- Use testcover to test unsafep's code coverage
-
-;; Copyright (C) 2002-2020 Free Software Foundation, Inc.
-
-;; Author: Jonathan Yavner <jyavner@member.fsf.org>
-;; Keywords: safety lisp utility
-;; Package: testcover
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software: you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; GNU Emacs 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 General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
-
-(require 'testcover)
-
-(defvar safe-functions)
-
-;;;These forms are all considered safe
-(defconst testcover-unsafep-safe
-  '(((lambda (x) (* x 2)) 14)
-    (apply 'cdr (mapcar (lambda (x) (car x)) y))
-    (cond ((= x 4) 5) (t 27))
-    (condition-case x (car y) (error (car x)))
-    (dolist (x y) (message "here: %s" x))
-    (dotimes (x 14 (* x 2)) (message "here: %d" x))
-    (let (x) (dolist (y '(1 2 3) (1+ y)) (push y x)))
-    (let (x) (apply (lambda (x) (* x 2)) 14))
-    (let ((x '(2))) (push 1 x) (pop x) (add-to-list 'x 2))
-    (let ((x 1) (y 2)) (setq x (+ x y)))
-    (let ((x 1)) (let ((y (+ x 3))) (* x y)))
-    (let* nil (current-time))
-    (let* ((x 1) (y (+ x 3))) (* x y))
-    (mapcar (lambda (x &optional y &rest z) (setq y (+ x 2)) (* y 3)) '(1 2 3))
-    (mapconcat #'(lambda (var) (propertize var 'face 'bold)) '("1" "2") ", ")
-    (setq buffer-display-count 14 mark-active t)
-    ;;This is not safe if you insert it into a buffer!
-    (propertize "x" 'display '(height (progn (delete-file "x") 1))))
-  "List of forms that `unsafep' should decide are safe.")
-
-;;;These forms are considered unsafe
-(defconst testcover-unsafep-unsafe
-  '(( (add-to-list x y)
-      . (unquoted x))
-    ( (add-to-list y x)
-      . (unquoted y))
-    ( (add-to-list 'y x)
-      . (global-variable y))
-    ( (not (delete-file "unsafep.el"))
-      . (function delete-file))
-    ( (cond (t (aset local-abbrev-table 0 0)))
-      . (function aset))
-    ( (cond (t (setq unsafep-vars "")))
-      . (risky-local-variable unsafep-vars))
-    ( (condition-case format-alist 1)
-      . (risky-local-variable format-alist))
-    ( (condition-case x 1 (error (setq format-alist "")))
-      . (risky-local-variable format-alist))
-    ( (dolist (x (sort globalvar 'car)) (princ x))
-      . (function sort))
-    ( (dotimes (x 14) (delete-file "x"))
-      . (function delete-file))
-    ( (let ((post-command-hook "/tmp/")) 1)
-      . (risky-local-variable post-command-hook))
-    ( (let ((x (delete-file "x"))) 2)
-      . (function delete-file))
-    ( (let (x) (add-to-list 'x (delete-file "x")))
-      . (function delete-file))
-    ( (let (x) (condition-case y (setq x 1 z 2)))
-      . (global-variable z))
-    ( (let (x) (condition-case z 1 (error (delete-file "x"))))
-      . (function delete-file))
-    ( (let (x) (mapc (lambda (x) (setcar x 1)) '((1 . 2) (3 . 4))))
-      . (function setcar))
-    ( (let (y) (push (delete-file "x") y))
-      . (function delete-file))
-    ( (let* ((x 1)) (setq y 14))
-      . (global-variable y))
-    ( (mapc 'car (list '(1 . 2) (cons 3 4) (kill-buffer "unsafep.el")))
-      . (function kill-buffer))
-    ( (mapcar x y)
-      . (unquoted x))
-    ( (mapcar (lambda (x) (rename-file x "x")) '("unsafep.el"))
-      . (function rename-file))
-    ( (mapconcat x1 x2 " ")
-      . (unquoted x1))
-    ( (pop format-alist)
-      . (risky-local-variable format-alist))
-    ( (push 1 format-alist)
-      . (risky-local-variable format-alist))
-    ( (setq buffer-display-count (delete-file "x"))
-      . (function delete-file))
-    ;;These are actually safe (they signal errors)
-    ( (apply '(x) '(1 2 3))
-      . (function (x)))
-    ( (let (((x))) 1)
-      . (variable (x)))
-    ( (let (1) 2)
-      . (variable 1))
-    )
-  "A-list of (FORM . REASON)... that`unsafep' should decide are unsafe.")
-
-(declare-function unsafep-function "unsafep" (fun))
-
-;;;#########################################################################
-(defun testcover-unsafep ()
-  "Executes all unsafep tests and displays the coverage results."
-  (interactive)
-  (testcover-unmark-all "unsafep.el")
-  (testcover-start "unsafep.el")
-  (let (save-functions)
-    (dolist (x testcover-unsafep-safe)
-      (if (unsafep x)
-	  (error "%S should be safe" x)))
-    (dolist (x testcover-unsafep-unsafe)
-      (if (not (equal (unsafep (car x)) (cdr x)))
-	  (error "%S should be unsafe: %s" (car x) (cdr x))))
-    (setq safe-functions t)
-    (if (or (unsafep '(delete-file "x"))
-	    (unsafep-function 'delete-file))
-	(error "safe-functions=t should allow delete-file"))
-    (setq safe-functions '(setcar))
-    (if (unsafep '(setcar x 1))
-	(error "safe-functions=(setcar) should allow setcar"))
-    (if (not (unsafep '(setcdr x 1)))
-	(error "safe-functions=(setcar) should not allow setcdr")))
-  (testcover-mark-all "unsafep.el")
-  (testcover-end "unsafep.el")
-  (message "Done"))
-
-;; testcover-unsafep.el ends here.