From 286934e3ed238a2ee8c6137568742e917bc44d97 Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Mon, 18 Apr 2022 00:01:24 +0100
Subject: epub files in doc session

---
 init.org                |  3 ++-
 lib/doc/jao-doc-view.el | 17 +++++++++--------
 lib/eos/jao-afio.el     |  2 +-
 3 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/init.org b/init.org
index e6805d8..553bdf0 100644
--- a/init.org
+++ b/init.org
@@ -1823,7 +1823,8 @@
       (use-package nov
         :ensure t
         :after doc-view
-        :init (setq nov-variable-pitch nil)
+        :init (setq nov-variable-pitch t
+                    nov-text-width 80)
         :config (add-to-list 'auto-mode-alist '("\\.epub\\'" . nov-mode)))
 
     #+end_src
diff --git a/lib/doc/jao-doc-view.el b/lib/doc/jao-doc-view.el
index 4e210f3..ea55565 100644
--- a/lib/doc/jao-doc-view.el
+++ b/lib/doc/jao-doc-view.el
@@ -1,6 +1,6 @@
 ;; jao-doc-view.el -- Remembering visited documents -*- lexical-binding: t; -*-
 
-;; Copyright (c) 2013, 2015, 2017, 2018, 2019, 2021 Jose Antonio Ortega Ruiz
+;; Copyright (c) 2013, 2015, 2017, 2018, 2019, 2021, 2022 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
@@ -30,12 +30,12 @@
 (require 'doc-view)
 
 (defvar jao-doc-view-session-file "~/.emacs.d/cache/doc-view-session.eld")
-(defvar-local jao-doc-view--is-pdf nil)
+(defvar-local jao-doc-view--is-doc nil)
 
-(defun jao-doc-view-session-mark (path) (setq-local jao-doc-view--is-pdf path))
-(defun jao-doc-view--is-pdf ()
-  (or jao-doc-view--is-pdf
-      (when (derived-mode-p 'doc-view-mode 'pdf-view-mode)
+(defun jao-doc-view-session-mark (path) (setq-local jao-doc-view--is-doc path))
+(defun jao-doc-view--is-doc ()
+  (or jao-doc-view--is-doc
+      (when (derived-mode-p 'doc-view-mode 'pdf-view-mode 'nov-mode)
         (buffer-file-name))))
 
 (defun jao-doc-view--read-file (file)
@@ -61,13 +61,13 @@
         (cb (when skip-current (current-buffer))))
     (dolist (b (buffer-list))
       (with-current-buffer b
-        (when-let (fn (and (not (eq cb b)) (jao-doc-view--is-pdf)))
+        (when-let (fn (and (not (eq cb b)) (jao-doc-view--is-doc)))
           (add-to-list 'docs fn))))
     (when (> (length docs) 0)
       (jao-doc-view--save-to-file jao-doc-view-session-file docs))))
 
 (defun jao-doc-view--save-session-1 ()
-  (when (jao-doc-view--is-pdf) (jao-doc-view-save-session t)))
+  (when (jao-doc-view--is-doc) (jao-doc-view-save-session t)))
 
 (defvar jao-doc-view-inhibit-session-save nil)
 
@@ -82,6 +82,7 @@
 (add-hook 'kill-buffer-hook #'jao-doc-view--save-session-1)
 (add-hook 'doc-view-mode-hook #'jao-doc-view--save-session)
 (add-hook 'pdf-view-mode-hook #'jao-doc-view--save-session)
+(add-hook 'nov-mode-hook #'jao-doc-view--save-session)
 
 
 ;;; PDF info
diff --git a/lib/eos/jao-afio.el b/lib/eos/jao-afio.el
index 470981d..28e6f67 100644
--- a/lib/eos/jao-afio.el
+++ b/lib/eos/jao-afio.el
@@ -86,7 +86,7 @@
   (delete-other-windows)
   (split-window-right)
   (let ((docs (cl-remove-if-not (lambda (b)
-                                  (with-current-buffer b (jao-doc-view--is-pdf)))
+                                  (with-current-buffer b (jao-doc-view--is-doc)))
                                 (buffer-list))))
     (if (car docs)
         (progn (switch-to-buffer (car docs))
-- 
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