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diff --git a/misc/jao-doc-view.el b/misc/jao-doc-view.el
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-;; jao-doc-view.el -- Remembering visited documents
-
-;; Copyright (c) 2013, 2015, 2017 Jose Antonio Ortega Ruiz
-
-;; This file 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.
-
-;; This file 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 this program.  If not, see <http://www.gnu.org/licenses/>.
-
-;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
-;; Start date: Fri Feb 15, 2013 01:21
-
-;;; Comentary:
-
-;; Some utilities to keep track of visited documents and the last
-;; visited page.
-
-;;; Code:
-
-(defvar jao-doc-view-bmk-file "~/.emacs.d/doc-view-bmk")
-(defvar jao-doc-view-session-file "~/.emacs.d/doc-view-session")
-(defvar jao-doc-view--current-bmks nil)
-
-(defun jao-doc-view--read-file (file)
-  (let ((buff (find-file-noselect file)))
-    (ignore-errors
-      (with-current-buffer buff
-        (goto-char (point-min)))
-      (read buff))))
-
-(defun jao-doc-view--save-to-file (file value)
-  (with-current-buffer (find-file-noselect file)
-    (erase-buffer)
-    (insert (format "%S" value))
-    (save-buffer)))
-
-(defun jao-doc-view--read-bmks ()
-  (let ((bmks (jao-doc-view--read-file jao-doc-view-bmk-file)))
-    (if (hash-table-p bmks) bmks (make-hash-table :test 'equal))))
-
-(defun jao-doc-view--current-bmks ()
-  (or jao-doc-view--current-bmks
-      (setq jao-doc-view--current-bmks (jao-doc-view--read-bmks))))
-
-(defun jao-doc-view-purge-bmks ()
-  (interactive)
-  (let ((ht jao-doc-view--current-bmks))
-    (when ht
-      (maphash (lambda (k v)
-                 (when (or (= 1 v) (not (file-exists-p k)))
-                   (remhash k ht)))
-               ht))))
-
-(defun jao-doc-view-goto-bmk ()
-  (interactive)
-  (when (eq major-mode 'pdf-view-mode)
-    (let* ((bmks (jao-doc-view--current-bmks))
-           (fname (buffer-file-name))
-           (p (when fname (gethash (expand-file-name fname) bmks 1))))
-      (when (and (numberp p) (> p 1))
-        (message "Found bookmark at page %d" p)
-        (ignore-errors (pdf-view-goto-page p))))))
-
-(defun jao-doc-view-open (file)
-  (let* ((buffs (buffer-list))
-         (b (catch 'done
-              (while buffs
-                (when (string-equal (buffer-file-name (car buffs)) file)
-                  (throw 'done (car buffs)))
-                (setq buffs (cdr buffs))))))
-    (if b (pop-to-buffer b) (find-file file))))
-
-(defun jao-doc-view-session (&optional file)
-  (let ((file (or file jao-doc-view-session-file)))
-    (jao-doc-view--read-file file)))
-
-(defun jao-doc-view-load-session (&optional file)
-  (interactive)
-  (let ((docs (jao-doc-view-session file)))
-    (when (not (listp docs)) (error "Empty session"))
-    (dolist (d docs) (jao-doc-view-open d))))
-
-(defun jao-doc-view--save-bmks ()
-  (jao-doc-view-purge-bmks)
-  (jao-doc-view--save-to-file jao-doc-view-bmk-file
-                              (jao-doc-view--current-bmks)))
-
-(defun jao-doc-view--save-bmk (&rest ignored)
-  (when (eq major-mode 'pdf-view-mode)
-    (ignore-errors
-      (puthash (buffer-file-name)
-               (max (pdf-view-current-page) 1)
-               (jao-doc-view--current-bmks)))))
-
-(defun jao-doc-view-save-session (&optional skip-current)
-  (interactive)
-  (let ((docs '())
-        (cb (when skip-current (current-buffer))))
-    (dolist (b (buffer-list))
-      (with-current-buffer b
-        (when (and (equalp major-mode 'pdf-view-mode)
-                   (not (equalp cb b)))
-          (jao-doc-view--save-bmk)
-          (add-to-list 'docs (buffer-file-name)))))
-    (jao-doc-view--save-bmks)
-    (when (> (length docs) 0)
-      (jao-doc-view--save-to-file jao-doc-view-session-file docs))))
-
-(defun jao-doc-view--save-session-1 ()
-  (when (equalp major-mode 'pdf-view-mode)
-    (jao-doc-view-purge-bmks)
-    (jao-doc-view-save-session t)))
-
-(defun jao-doc-view-install ()
-  (jao-doc-view--current-bmks)
-  (add-hook 'kill-buffer-hook 'jao-doc-view--save-bmk)
-  (add-hook 'kill-buffer-hook 'jao-doc-view--save-session-1 t)
-  (add-hook 'kill-emacs-hook 'jao-doc-view-save-session))
-
-
-
-(provide 'jao-doc-view)