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diff --git a/lisp/international/encoded-kb.el b/lisp/international/encoded-kb.el
deleted file mode 100644
index 62fd6f1c17b..00000000000
--- a/lisp/international/encoded-kb.el
+++ /dev/null
@@ -1,425 +0,0 @@
-;;; encoded-kb.el --- handler to input multibyte characters encoded somehow
-
-;; Copyright (C) 1997, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
-;;   Free Software Foundation, Inc.
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007, 2008, 2009
-;;   National Institute of Advanced Industrial Science and Technology (AIST)
-;;   Registration Number H14PRO021
-;; Copyright (C) 2003
-;;   National Institute of Advanced Industrial Science and Technology (AIST)
-;;   Registration Number H13PRO009
-
-;; 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 <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;;; Code:
-
-;; Usually this map is empty (even if Encoded-kbd mode is on), but if
-;; the keyboard coding system is iso-2022-based, it defines dummy key
-;; bindings for ESC $ ..., etc. so that those bindings in
-;; input-decode-map take effect.
-(defconst encoded-kbd-mode-map (make-sparse-keymap)
-  "Keymap for Encoded-kbd minor mode.")
-
-;; Subsidiary keymaps for handling ISO2022 escape sequences.
-
-(defvar encoded-kbd-iso2022-esc-map
-  (let ((map (make-sparse-keymap)))
-    (define-key map "$" 'encoded-kbd-iso2022-esc-dollar-prefix)
-    (define-key map "(" 'encoded-kbd-iso2022-designation-prefix)
-    (define-key map ")" 'encoded-kbd-iso2022-designation-prefix)
-    (define-key map "," 'encoded-kbd-iso2022-designation-prefix)
-    (define-key map "-" 'encoded-kbd-iso2022-designation-prefix)
-    map)
-  "Keymap for handling ESC code in Encoded-kbd mode.")
-(fset 'encoded-kbd-iso2022-esc-prefix encoded-kbd-iso2022-esc-map)
-
-(defvar encoded-kbd-iso2022-esc-dollar-map
-  (let ((map (make-sparse-keymap)))
-    (define-key map "(" 'encoded-kbd-iso2022-designation-prefix)
-    (define-key map ")" 'encoded-kbd-iso2022-designation-prefix)
-    (define-key map "," 'encoded-kbd-iso2022-designation-prefix)
-    (define-key map "-" 'encoded-kbd-iso2022-designation-prefix)
-    (define-key map "@" 'encoded-kbd-iso2022-designation)
-    (define-key map "A" 'encoded-kbd-iso2022-designation)
-    (define-key map "B" 'encoded-kbd-iso2022-designation)
-    map)
-  "Keymap for handling ESC $ sequence in Encoded-kbd mode.")
-(fset 'encoded-kbd-iso2022-esc-dollar-prefix
-      encoded-kbd-iso2022-esc-dollar-map)
-
-(defvar encoded-kbd-iso2022-designation-map
-  (let ((map (make-sparse-keymap))
-        (l charset-list)
-        final-char)
-    (while l
-      (setq final-char (charset-iso-final-char (car l)))
-      (if (> final-char 0)
-          (define-key map (char-to-string final-char)
-            'encoded-kbd-iso2022-designation))
-      (setq l (cdr l)))
-    map)
-  "Keymap for handling ISO2022 designation sequence in Encoded-kbd mode.")
-(fset 'encoded-kbd-iso2022-designation-prefix
-      encoded-kbd-iso2022-designation-map)
-
-;; Keep information of designation state of ISO2022 encoding.  When
-;; Encoded-kbd mode is on, this is set to a vector of length 4, the
-;; elements are character sets currently designated to graphic
-;; registers 0 thru 3.
-
-(defvar encoded-kbd-iso2022-designations nil)
-(put 'encoded-kbd-iso2022-designations 'permanent-local t)
-
-;; Keep information of invocation state of ISO2022 encoding.  When
-;; Encoded-kbd mode is on, this is set to a vector of length 3,
-;; graphic register numbers currently invoked to graphic plane 1 and
-;; 2, and a single shifted graphic register number.
-
-(defvar encoded-kbd-iso2022-invocations nil)
-(put 'encoded-kbd-iso2022-invocations 'permanent-local t)
-
-(defsubst encoded-kbd-last-key ()
-  (let ((keys (this-single-command-keys)))
-    (aref keys (1- (length keys)))))
-
-(defun encoded-kbd-iso2022-designation (ignore)
-  "Do ISO2022 designation according to the current key in Encoded-kbd mode.
-The following key sequence may cause multilingual text insertion."
-  (let ((key-seq (this-single-command-keys))
-        (prev-g0-charset (aref encoded-kbd-iso2022-designations
-                               (aref encoded-kbd-iso2022-invocations 0)))
-        intermediate-char final-char
-        reg dimension chars charset)
-    (if (= (length key-seq) 4)
-        ;; ESC $ <intermediate-char> <final-char>
-        (setq intermediate-char (aref key-seq 2)
-              dimension 2
-              chars (if (< intermediate-char ?,) 94 96)
-              final-char (aref key-seq 3)
-              reg (mod intermediate-char 4))
-      (if (= (aref key-seq 1) ?$)
-          ;; ESC $ <final-char>
-          (setq dimension 2
-                chars 94
-                final-char (aref key-seq 2)
-                reg 0)
-        ;; ESC <intermediate-char> <final-char>
-        (setq intermediate-char (aref key-seq 1)
-              dimension 1
-              chars (if (< intermediate-char ?,) 94 96)
-              final-char (aref key-seq 2)
-              reg (mod intermediate-char 4))))
-    (aset encoded-kbd-iso2022-designations reg
-          (iso-charset dimension chars final-char)))
-  "")
-
-(defun encoded-kbd-iso2022-single-shift (ignore)
-  (let ((char (encoded-kbd-last-key)))
-    (aset encoded-kbd-iso2022-invocations 2 (if (= char ?\216) 2 3)))
-  "")
-
-(defun encoded-kbd-self-insert-iso2022-7bit (ignore)
-  (let ((char (encoded-kbd-last-key))
-        (charset (aref encoded-kbd-iso2022-designations
-                       (or (aref encoded-kbd-iso2022-invocations 2)
-                           (aref encoded-kbd-iso2022-invocations 0)))))
-    (aset encoded-kbd-iso2022-invocations 2 nil)
-    (vector (if (= (charset-dimension charset) 1)
-                (make-char charset char)
-              (make-char charset char (read-char-exclusive))))))
-
-(defun encoded-kbd-self-insert-iso2022-8bit (ignore)
-  (let ((char (encoded-kbd-last-key))
-        (charset (aref encoded-kbd-iso2022-designations
-                       (or (aref encoded-kbd-iso2022-invocations 2)
-                           (aref encoded-kbd-iso2022-invocations 1)))))
-    (aset encoded-kbd-iso2022-invocations 2 nil)
-    (vector (if (= (charset-dimension charset) 1)
-                (make-char charset char)
-              (make-char charset char (read-char-exclusive))))))
-
-(defun encoded-kbd-self-insert-sjis (ignore)
-  (let ((char (encoded-kbd-last-key)))
-    (vector
-     (if (or (< char ?\xA0) (>= char ?\xE0))
-         (decode-sjis-char (+ (ash char 8) (read-char-exclusive)))
-       (make-char 'katakana-jisx0201 char)))))
-
-(defun encoded-kbd-self-insert-big5 (ignore)
-  (let ((char (encoded-kbd-last-key)))
-    (vector 
-     (decode-big5-char (+ (ash char 8) (read-char-exclusive))))))
-
-(defun encoded-kbd-self-insert-ccl (ignore)
-  (let ((str (char-to-string (encoded-kbd-last-key)))
-        (ccl (coding-system-get (keyboard-coding-system) :ccl-decoder))
-        (vec [nil nil nil nil nil nil nil nil nil])
-        result)
-    (while (= (length (setq result (ccl-execute-on-string ccl vec str t))) 0)
-      (dotimes (i 9) (aset vec i nil))
-      (setq str (format "%s%c" str (read-char-exclusive))))
-    (vector (aref result 0))))
-
-
-;; Decode list of codes in CODE-LIST by CHARSET and return the decoded
-;; characters.  If CODE-LIST is too short for the dimension of
-;; CHARSET, read new codes and append them to the tail of CODE-LIST.
-;; Return nil if CODE-LIST can't be decoded.
-
-(defun encoded-kbd-decode-code-list (charset code-list)
-  (let ((dimension (charset-dimension charset))
-        code)
-    (while (> dimension (length code-list))
-      (nconc code-list (list (read-char-exclusive))))
-    (setq code (car code-list))
-    (if (= dimension 1)
-        (decode-char charset code)
-      (setq code-list (cdr code-list)
-            code (logior (lsh code 8) (car code-list)))
-      (if (= dimension 2)
-          (decode-char charset code)
-        (setq code-list (cdr code-list)
-              code (logior (lsh code 8) (car code-list)))
-        (if (= dimension 3)
-            (decode-char charset code)
-          ;; As Emacs can't handle full 32-bit integer, we must give a
-          ;; cons of higher and lower 16-bit codes to decode-char.
-          (setq code (cons (lsh code -8)
-                           (logior (lsh (car code-list) 8) (cadr code-list))))
-          (decode-char charset code))))))
-
-(defun encoded-kbd-self-insert-charset (ignore)
-  (let ((charset-list
-         (coding-system-get (keyboard-coding-system) :charset-list))
-        (code-list (list (encoded-kbd-last-key)))
-        tail char)
-    (while (and charset-list (not char))
-      (setq char (encoded-kbd-decode-code-list (car charset-list) code-list)
-            charset-list (cdr charset-list)))
-    (if char
-        (vector char)
-      (setq unread-command-events (cdr code-list))
-      (vector (car code-list)))))
-
-(defun encoded-kbd-self-insert-utf-8 (arg)
-  (interactive "p")
-  (let* ((lead (encoded-kbd-last-key))
-         (char lead)
-         len event)
-    (cond ((< char #xE0)
-           (setq len 1 char (logand char #x1F)))
-          ((< char #xF0)
-           (setq len 2 char (logand char #x0F)))
-          ((< char #xF8)
-           (setq len 3 char (logand char #x07)))
-          (t
-           (setq len 4 char 0)))
-    (while (> len 0)
-      (setq event (read-char-exclusive))
-      (if (and (>= event #x80) (< event #xc0))
-          ;; Valid utf-8 sequence.
-          (setq char (logior (lsh char 6) (- event #x80))
-                len (1- len))
-        ;; Invalid utf-8 sequence.  Might be because Quail got involved
-        ;; in-between and the bytes we thought we were reading were actually
-        ;; latin-1 chars.  Let's presume that `event' is the second "byte",
-        ;; i.e. there weren't any "apprently correct" between `lead' and
-        ;; `event': it's easy to recover in this case, and the more general
-        ;; case seems pretty unlikely.
-        ;; FIXME: We should really do encoded-kbd decoding before processing
-        ;; input-methods.
-        (push event unread-command-events)
-        (setq char lead)
-        (setq len 0)))
-    (vector char)))
-
-(defun encoded-kbd-setup-keymap (keymap coding)
-  ;; At first, reset the keymap.
-  (define-key encoded-kbd-mode-map "\e" nil)
-  ;; Then setup the keymap according to the keyboard coding system.
-  (cond
-   ((eq (coding-system-type coding) 'shift-jis)
-    (let ((i 128))
-      (while (< i 256)
-        (define-key keymap
-          (vector i) 'encoded-kbd-self-insert-sjis)
-        (setq i (1+ i))))
-    8)
-
-   ((eq (coding-system-type coding) 'big5)
-    (let ((i 128))
-      (while (< i 256)
-        (define-key keymap
-          (vector i) 'encoded-kbd-self-insert-big5)
-        (setq i (1+ i))))
-    8)
-
-   ((eq (coding-system-type coding) 'charset)
-    (dolist (elt (mapcar
-                  #'(lambda (x) 
-                      (let ((dim (charset-dimension x))
-                            (code-space (get-charset-property x :code-space)))
-                        (cons (aref code-space (* (1- dim) 2))
-                              (aref code-space (1+ (* (1- dim) 2))))))
-                  (coding-system-get coding :charset-list)))
-      (let ((from (max (car elt) 128))
-            (to (cdr elt)))
-        (while (<= from to)
-          (define-key keymap
-            (vector from) 'encoded-kbd-self-insert-charset)
-          (setq from (1+ from)))))
-    8)
-
-   ((eq (coding-system-type coding) 'iso-2022)
-    (let ((flags (coding-system-get coding :flags))
-          (designation (coding-system-get coding :designation)))
-      (if (memq 'locking-shift flags)
-          nil                           ; Don't support locking-shift.
-        (setq encoded-kbd-iso2022-designations (make-vector 4 nil)
-              encoded-kbd-iso2022-invocations (make-vector 3 nil))
-        (dotimes (i 4)
-          (if (aref designation i)
-              (if (charsetp (aref designation i))
-                  (aset encoded-kbd-iso2022-designations
-                        i (aref designation i))
-                (if (charsetp (car-safe (aref designation i)))
-                    (aset encoded-kbd-iso2022-designations
-                          i (car (aref designation i)))))))
-        (aset encoded-kbd-iso2022-invocations 0 0)
-        (if (aref encoded-kbd-iso2022-designations 1)
-            (aset encoded-kbd-iso2022-invocations 1 1))
-        (when (memq 'designation flags)
-          (define-key encoded-kbd-mode-map "\e" 'encoded-kbd-iso2022-esc-prefix)
-          (define-key keymap "\e" 'encoded-kbd-iso2022-esc-prefix))
-        (when (or (aref designation 2) (aref designation 3))
-          (define-key keymap
-            [?\216] 'encoded-kbd-iso2022-single-shift)
-          (define-key keymap
-            [?\217] 'encoded-kbd-iso2022-single-shift))
-        (or (eq (aref designation 0) 'ascii)
-            (dotimes (i 96)
-              (define-key keymap
-                (vector (+ 32 i)) 'encoded-kbd-self-insert-iso2022-7bit)))
-        (if (memq '7-bit flags)
-            t
-          (dotimes (i 96)
-            (define-key keymap
-              (vector (+ 160 i)) 'encoded-kbd-self-insert-iso2022-8bit))
-          8))))
-
-   ((eq (coding-system-type coding) 4)  ; CCL-base
-    (let ((valid-codes (or (coding-system-get coding :valid)
-                           '((128 . 255))))
-          elt from to valid)
-      (while valid-codes
-        (setq elt (car valid-codes) valid-codes (cdr valid-codes))
-        (if (consp elt)
-            (setq from (car elt) to (cdr elt))
-          (setq from (setq to elt)))
-        (while (<= from to)
-          (if (>= from 128)
-              (define-key keymap
-                (vector from) 'encoded-kbd-self-insert-ccl))
-          (setq from (1+ from))))
-      8))
-
-   ((eq (coding-system-type coding) 'utf-8)
-    (let ((i #xC0))
-      (while (< i 256)
-        (define-key keymap
-          (vector i) 'encoded-kbd-self-insert-utf-8)
-        (setq i (1+ i))))
-    8)
-
-   (t
-    nil)))
-
-;;;###autoload
-(defun encoded-kbd-setup-display (terminal)
-  "Set up a `input-decode-map' for `keyboard-coding-system' on TERMINAL.
-
-TERMINAL may be a terminal id, a frame, or nil for the selected frame's terminal."
-  (let ((frame (if (framep terminal)
-                   terminal
-                 (car (frames-on-display-list terminal)))))
-    (when frame
-      (with-selected-frame frame
-        ;; Remove any previous encoded-kb keymap from input-decode-map.
-        (let ((m input-decode-map)
-              (child nil))
-          (while (keymapp m)
-            (if (not (equal (keymap-prompt m) "encoded-kb"))
-                (progn
-                  (setq child m)
-                  (setq m (keymap-parent m)))
-              ;; We've found an encoded-kb map, but maybe the prompt we get
-              ;; is really inherited from the encoded-kb map.
-              (let (mp)
-                (while (and (keymapp (setq mp (keymap-parent m)))
-                            (equal (keymap-prompt mp) "encoded-kb"))
-                  (setq child m)
-                  (setq m mp))
-                ;; (assert (equal (keymap-prompt m) "encoded-kb"))
-                ;; (assert (eq mp (keymap-parent m)))
-                ;; (assert (not (and (keymapp mp)
-                ;;                   (equal (keymap-prompt mp) "encoded-kb"))))
-                ;; (assert (eq m (if child
-                ;;                   (keymap-parent child) input-decode-map)))
-                ;; We can finally do the actual removal.
-                (if child
-                    (set-keymap-parent child mp)
-                  (setq input-decode-map mp))
-                (setq m mp))))))
-
-      (if (keyboard-coding-system)
-          ;; We are turning on Encoded-kbd mode.
-          (let ((coding (keyboard-coding-system))
-                (keymap (make-sparse-keymap "encoded-kb"))
-                (cim (current-input-mode))
-                result)
-            ;; Place `keymap' as the immediate parent of input-decode-map
-            ;; rather than on top, so that later `define-key' on
-            ;; input-decode-map don't end up accidentally changing our
-            ;; part of the keymap, which would lead to bugs when/if we later
-            ;; on remove that part.
-            (set-keymap-parent keymap (keymap-parent input-decode-map))
-            (set-keymap-parent input-decode-map keymap)
-            (unless (terminal-parameter nil 'encoded-kbd-saved-input-meta-mode)
-              (set-terminal-parameter nil 'encoded-kbd-saved-input-mode
-                                      (nth 2 cim)))
-            (setq result (and coding (encoded-kbd-setup-keymap keymap coding)))
-            (if result
-                (when (and (eq result 8)
-                           (memq (nth 2 cim) '(t nil)))
-                  (set-input-meta-mode 'use-8th-bit))
-              (set-terminal-parameter
-               nil 'encoded-kbd-saved-input-meta-mode nil)
-              (error "Unsupported coding system in Encoded-kbd mode: %S"
-                     coding)))
-        ;; We are turning off Encoded-kbd mode.
-        (let ((old (terminal-parameter nil 'encoded-kbd-saved-input-meta-mode)))
-          (when (and old (not (equal (nth 2 (current-input-mode)) old)))
-            (set-input-meta-mode old))
-          (set-terminal-parameter
-           nil 'encoded-kbd-saved-input-meta-mode nil))))))
-
-(provide 'encoded-kb)
-
-;; arch-tag: 76f0f9b3-65e7-45c3-b692-59509a87ad44
-;;; encoded-kb.el ends here