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From: "H.-J. Heitländer" <Heiner.Heitlaender@posteo.de>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: gnu emacs <help-gnu-emacs@gnu.org>
Subject: Re: emacs 30.5.0 editing epub
Date: Thu, 16 Mar 2023 06:57:26 +0000	[thread overview]
Message-ID: <4a7a0baf-677b-118c-fa6c-e50d054800e7@posteo.de> (raw)
In-Reply-To: <877cvhqo9p.fsf@web.de>

Hi Michael,

thanks for getting involved.

Nevertheless I would be quite content with a temporary solution by being 
able to get emacs to redisplay in the correct form.


Thank you

Heiner


Appended backtrace:

load-file: arc-mode.el, doc-view.el, files.el

here we go:

<snip>

Debugger entered--Lisp error: (wrong-type-argument stringp nil)

write-region(nil nil nil)

(if (equal buffer-file-name doc-view--buffer-file-name) nil 
(doc-view-make-safe-dir doc-view-cache-directory) (write-region nil nil 
doc-view--buffer-file-name))

(let ((revert-buffer-preserve-modes t)) (apply orig-fun args) (if (equal 
buffer-file-name doc-view--buffer-file-name) nil (doc-view-make-safe-dir 
doc-view-cache-directory) (write-region nil nil 
doc-view--buffer-file-name)))

(closure ((args t t) (orig-fun . #f(compiled-function (&rest args) 
#<bytecode -0x1d33bbea90aba2b6>)) revert-buffer-preserve-modes) nil (let 
((revert-buffer-preserve-modes t)) (apply orig-fun args) (if (equal 
buffer-file-name doc-view--buffer-file-name) nil (doc-view-make-safe-dir 
doc-view-cache-directory) (write-region nil nil 
doc-view--buffer-file-name))))()

funcall((closure ((args t t) (orig-fun . #f(compiled-function (&rest 
args) #<bytecode -0x1d33bbea90aba2b6>)) revert-buffer-preserve-modes) 
nil (let ((revert-buffer-preserve-modes t)) (apply orig-fun args) (if 
(equal buffer-file-name doc-view--buffer-file-name) nil 
(doc-view-make-safe-dir doc-view-cache-directory) (write-region nil nil 
doc-view--buffer-file-name)))))

(if (and (eq 'pdf doc-view-doc-type) (executable-find "pdfinfo")) (if (= 
0 (call-process "pdfinfo" nil nil nil doc-view--buffer-file-name)) 
(funcall --cl-revert--) (if (called-interactively-p 'interactive) (progn 
(message "Can't revert right now because the file is corrupt...")))) 
(funcall --cl-revert--))

(let* ((--cl-revert-- #'(lambda nil (let ((revert-buffer-preserve-modes 
t)) (apply orig-fun args) (if (equal buffer-file-name 
doc-view--buffer-file-name) nil (doc-view-make-safe-dir 
doc-view-cache-directory) (write-region nil nil 
doc-view--buffer-file-name)))))) (if (and (eq 'pdf doc-view-doc-type) 
(executable-find "pdfinfo")) (if (= 0 (call-process "pdfinfo" nil nil 
nil doc-view--buffer-file-name)) (funcall --cl-revert--) (if 
(called-interactively-p 'interactive) (progn (message "Can't revert 
right now because the file is corrupt...")))) (funcall --cl-revert--)))

doc-view--revert-buffer(#f(compiled-function (&rest args) #<bytecode 
-0x1d33bbea90aba2b6>) t t)

apply(doc-view--revert-buffer #f(compiled-function (&rest args) 
#<bytecode -0x1d33bbea90aba2b6>) (t t))

#f(advice doc-view--revert-buffer :around #f(compiled-function (&rest 
args) #<bytecode -0x1d33bbea90aba2b6>))(t t)

apply(#f(advice doc-view--revert-buffer :around #f(compiled-function 
(&rest args) #<bytecode -0x1d33bbea90aba2b6>)) t t nil)

(let ((coding-system-for-read 'no-conversion)) (apply orig-fun t t (cdr 
(cdr args))))

(let ((no (archive-get-lineno))) (setq archive-files nil) (let 
((coding-system-for-read 'no-conversion)) (apply orig-fun t t (cdr (cdr 
args)))) (archive-mode) (goto-char archive-file-list-start) 
(archive-next-line no))

archive--mode-revert(#f(advice doc-view--revert-buffer :around 
#f(compiled-function (&rest args) #<bytecode -0x1d33bbea90aba2b6>)) nil nil)

apply(archive--mode-revert #f(advice doc-view--revert-buffer :around 
#f(compiled-function (&rest args) #<bytecode -0x1d33bbea90aba2b6>)) (nil 
nil))

#f(advice archive--mode-revert :around #f(advice doc-view--revert-buffer 
:around #f(compiled-function (&rest args) #<bytecode 
-0x1d33bbea90aba2b6>)))(nil nil)

funcall(#f(advice archive--mode-revert :around #f(advice 
doc-view--revert-buffer :around #f(compiled-function (&rest args) 
#<bytecode -0x1d33bbea90aba2b6>))) nil nil)

(let ((revert-buffer-in-progress-p t) (revert-buffer-preserve-modes 
preserve-modes) (state (and (boundp 'read-only-mode--state) (list 
read-only-mode--state)))) (funcall (or revert-buffer-function 
#'revert-buffer--default) ignore-auto noconfirm) (if state (progn (setq 
buffer-read-only (car state)) (set (make-local-variable 
'read-only-mode--state) (car state)))))

revert-buffer()

(if (not archive-remote) (revert-buffer) (archive-maybe-update nil))

(save-restriction (message "Updating archive...") (widen) (let ((writer 
(save-current-buffer (set-buffer archive-superior-buffer) (archive-name 
"write-file-member"))) (archive (save-current-buffer (set-buffer 
archive-superior-buffer) (archive-maybe-copy (buffer-file-name))))) (if 
(fboundp writer) (funcall writer archive archive-subfile-mode) 
(archive-*-write-file-member archive archive-subfile-mode (symbol-value 
writer))) (set-buffer-modified-p nil) (message "Updating 
archive...done")) (set-buffer archive-superior-buffer) (if (not 
archive-remote) (revert-buffer) (archive-maybe-update nil)))

(save-excursion (save-restriction (message "Updating archive...") 
(widen) (let ((writer (save-current-buffer (set-buffer 
archive-superior-buffer) (archive-name "write-file-member"))) (archive 
(save-current-buffer (set-buffer archive-superior-buffer) 
(archive-maybe-copy (buffer-file-name))))) (if (fboundp writer) (funcall 
writer archive archive-subfile-mode) (archive-*-write-file-member 
archive archive-subfile-mode (symbol-value writer))) 
(set-buffer-modified-p nil) (message "Updating archive...done")) 
(set-buffer archive-superior-buffer) (if (not archive-remote) 
(revert-buffer) (archive-maybe-update nil))))

archive-write-file-member()

run-hook-with-args-until-success(archive-write-file-member)

(or (run-hook-with-args-until-success 'local-write-file-hooks) 
(run-hook-with-args-until-success 'write-file-functions) (let ((dir 
(file-name-directory (expand-file-name buffer-file-name)))) (if 
(file-exists-p dir) nil (if (y-or-n-p (format-message "Directory `%s' 
does not exist; create? " dir)) (make-directory dir t) (error 
"Canceled"))) (setq setmodes (basic-save-buffer-1))))

(if (run-hook-with-args-until-success 'write-contents-functions) nil (or 
buffer-file-name (let ((filename (expand-file-name (read-file-name "File 
to save in: " nil (expand-file-name ...))))) (if (file-exists-p 
filename) (if (file-directory-p filename) (error "%s is a directory" 
filename) (if (y-or-n-p (format-message "File `%s' exists; overwrite? " 
filename)) nil (error "Canceled")))) (set-visited-file-name filename))) 
(vc-before-save) (or (run-hook-with-args-until-success 
'local-write-file-hooks) (run-hook-with-args-until-success 
'write-file-functions) (let ((dir (file-name-directory (expand-file-name 
buffer-file-name)))) (if (file-exists-p dir) nil (if (y-or-n-p 
(format-message "Directory `%s' does not exist; create? " dir)) 
(make-directory dir t) (error "Canceled"))) (setq setmodes 
(basic-save-buffer-1)))))

(save-restriction (widen) (save-excursion (and (> (point-max) 
(point-min)) (not find-file-literally) (null buffer-read-only) (/= 
(char-after (1- (point-max))) 10) (not (and (eq selective-display t) (= 
(char-after (1- ...)) 13))) (or (eq require-final-newline t) (eq 
require-final-newline 'visit-save) (and require-final-newline (y-or-n-p 
(format "Buffer %s does not end in newline. Add one? " (buffer-name))))) 
(save-excursion (goto-char (point-max)) (insert 10)))) (condition-case 
err (run-hooks 'before-save-hook) ((debug error) (message "Before-save 
hook error: %S" err) nil)) (if (run-hook-with-args-until-success 
'write-contents-functions) nil (or buffer-file-name (let ((filename 
(expand-file-name (read-file-name "File to save in: " nil ...)))) (if 
(file-exists-p filename) (if (file-directory-p filename) (error "%s is a 
directory" filename) (if (y-or-n-p ...) nil (error "Canceled")))) 
(set-visited-file-name filename))) (vc-before-save) (or 
(run-hook-with-args-until-success 'local-write-file-hooks) 
(run-hook-with-args-until-success 'write-file-functions) (let ((dir 
(file-name-directory (expand-file-name buffer-file-name)))) (if 
(file-exists-p dir) nil (if (y-or-n-p (format-message "Directory `%s' 
does not exist; create? " dir)) (make-directory dir t) (error 
"Canceled"))) (setq setmodes (basic-save-buffer-1))))) (if 
buffer-file-name (progn (if save-buffer-coding-system (setq 
save-buffer-coding-system last-coding-system-used) (setq 
buffer-file-coding-system last-coding-system-used)) (setq 
buffer-file-number (file-attribute-file-identifier (file-attributes 
buffer-file-name))) (if setmodes (condition-case nil (progn (if 
(condition-case err ... ...) nil (set-file-extended-attributes 
buffer-file-name ...))) (error nil))) (vc-after-save))) 
(delete-auto-save-file-if-necessary recent-save))

(let ((recent-save (recent-auto-save-p)) setmodes) (or (null 
buffer-file-name) (verify-visited-file-modtime (current-buffer)) (not 
(file-exists-p buffer-file-name)) (yes-or-no-p (format "%s has changed 
since visited or saved. Save anywa..." (file-name-nondirectory 
buffer-file-name))) (user-error "Save not confirmed")) (save-restriction 
(widen) (save-excursion (and (> (point-max) (point-min)) (not 
find-file-literally) (null buffer-read-only) (/= (char-after (1- 
(point-max))) 10) (not (and (eq selective-display t) (= (char-after ...) 
13))) (or (eq require-final-newline t) (eq require-final-newline 
'visit-save) (and require-final-newline (y-or-n-p (format "Buffer %s 
does not end in newline. Add one? " ...)))) (save-excursion (goto-char 
(point-max)) (insert 10)))) (condition-case err (run-hooks 
'before-save-hook) ((debug error) (message "Before-save hook error: %S" 
err) nil)) (if (run-hook-with-args-until-success 
'write-contents-functions) nil (or buffer-file-name (let ((filename 
(expand-file-name ...))) (if (file-exists-p filename) (if 
(file-directory-p filename) (error "%s is a directory" filename) (if ... 
nil ...))) (set-visited-file-name filename))) (vc-before-save) (or 
(run-hook-with-args-until-success 'local-write-file-hooks) 
(run-hook-with-args-until-success 'write-file-functions) (let ((dir 
(file-name-directory ...))) (if (file-exists-p dir) nil (if (y-or-n-p 
...) (make-directory dir t) (error "Canceled"))) (setq setmodes 
(basic-save-buffer-1))))) (if buffer-file-name (progn (if 
save-buffer-coding-system (setq save-buffer-coding-system 
last-coding-system-used) (setq buffer-file-coding-system 
last-coding-system-used)) (setq buffer-file-number 
(file-attribute-file-identifier (file-attributes buffer-file-name))) (if 
setmodes (condition-case nil (progn (if ... nil ...)) (error nil))) 
(vc-after-save))) (delete-auto-save-file-if-necessary recent-save)) 
(run-hooks 'after-save-hook))

(if (or (buffer-modified-p) (and buffer-file-name (not (file-exists-p 
buffer-file-name)))) (let ((recent-save (recent-auto-save-p)) setmodes) 
(or (null buffer-file-name) (verify-visited-file-modtime 
(current-buffer)) (not (file-exists-p buffer-file-name)) (yes-or-no-p 
(format "%s has changed since visited or saved. Save anywa..." 
(file-name-nondirectory buffer-file-name))) (user-error "Save not 
confirmed")) (save-restriction (widen) (save-excursion (and (> 
(point-max) (point-min)) (not find-file-literally) (null 
buffer-read-only) (/= (char-after (1- ...)) 10) (not (and (eq 
selective-display t) (= ... 13))) (or (eq require-final-newline t) (eq 
require-final-newline 'visit-save) (and require-final-newline (y-or-n-p 
...))) (save-excursion (goto-char (point-max)) (insert 10)))) 
(condition-case err (run-hooks 'before-save-hook) ((debug error) 
(message "Before-save hook error: %S" err) nil)) (if 
(run-hook-with-args-until-success 'write-contents-functions) nil (or 
buffer-file-name (let ((filename ...)) (if (file-exists-p filename) (if 
... ... ...)) (set-visited-file-name filename))) (vc-before-save) (or 
(run-hook-with-args-until-success 'local-write-file-hooks) 
(run-hook-with-args-until-success 'write-file-functions) (let ((dir 
...)) (if (file-exists-p dir) nil (if ... ... ...)) (setq setmodes 
(basic-save-buffer-1))))) (if buffer-file-name (progn (if 
save-buffer-coding-system (setq save-buffer-coding-system 
last-coding-system-used) (setq buffer-file-coding-system 
last-coding-system-used)) (setq buffer-file-number 
(file-attribute-file-identifier (file-attributes buffer-file-name))) (if 
setmodes (condition-case nil (progn ...) (error nil))) (vc-after-save))) 
(delete-auto-save-file-if-necessary recent-save)) (run-hooks 
'after-save-hook)) (or noninteractive (not called-interactively) 
(files--message "(No changes need to be saved)")))

(save-current-buffer (if (buffer-base-buffer) (set-buffer 
(buffer-base-buffer))) (if (or (buffer-modified-p) (and buffer-file-name 
(not (file-exists-p buffer-file-name)))) (let ((recent-save 
(recent-auto-save-p)) setmodes) (or (null buffer-file-name) 
(verify-visited-file-modtime (current-buffer)) (not (file-exists-p 
buffer-file-name)) (yes-or-no-p (format "%s has changed since visited or 
saved. Save anywa..." (file-name-nondirectory buffer-file-name))) 
(user-error "Save not confirmed")) (save-restriction (widen) 
(save-excursion (and (> (point-max) (point-min)) (not 
find-file-literally) (null buffer-read-only) (/= (char-after ...) 10) 
(not (and ... ...)) (or (eq require-final-newline t) (eq 
require-final-newline ...) (and require-final-newline ...)) 
(save-excursion (goto-char ...) (insert 10)))) (condition-case err 
(run-hooks 'before-save-hook) ((debug error) (message "Before-save hook 
error: %S" err) nil)) (if (run-hook-with-args-until-success 
'write-contents-functions) nil (or buffer-file-name (let (...) (if ... 
...) (set-visited-file-name filename))) (vc-before-save) (or 
(run-hook-with-args-until-success 'local-write-file-hooks) 
(run-hook-with-args-until-success 'write-file-functions) (let (...) (if 
... nil ...) (setq setmodes ...)))) (if buffer-file-name (progn (if 
save-buffer-coding-system (setq save-buffer-coding-system 
last-coding-system-used) (setq buffer-file-coding-system 
last-coding-system-used)) (setq buffer-file-number 
(file-attribute-file-identifier ...)) (if setmodes (condition-case nil 
... ...)) (vc-after-save))) (delete-auto-save-file-if-necessary 
recent-save)) (run-hooks 'after-save-hook)) (or noninteractive (not 
called-interactively) (files--message "(No changes need to be saved)"))))

basic-save-buffer(t)

(let ((modp (buffer-modified-p)) (make-backup-files (or (and 
make-backup-files (not (eq arg 0))) (memq arg '(16 64))))) (and modp 
(memq arg '(16 64)) (setq buffer-backed-up nil)) (if (and modp 
(buffer-file-name) (not noninteractive) (not save-silently)) (message 
"Saving file %s..." (buffer-file-name))) (basic-save-buffer 
(called-interactively-p 'any)) (and modp (memq arg '(4 64)) (setq 
buffer-backed-up nil)))

save-buffer(1)

funcall-interactively(save-buffer 1)

command-execute(save-buffer)

</snip>






Am 16.03.23 um 06:05 schrieb Michael Heerdegen:
> H.-J. Heitländer<Heiner.Heitlaender@posteo.de>  writes:
>
>> The problem:
>>
>> I am editing epub archives and  any saves that I am doing result in
>>
>> <snip>
>>
>> ***backtrace***
>>
>> Debugger entered--Lisp error: (wrong-type-argument stringp nil)
>>
>> doc-view--revert-buffer(#f(compiled-function (&rest args) #<bytecode
>> -0x1d096aa50772e2b6>) t t)
> No idea why this is happening... but your backtrace is not very
> informative because it was created using compiled Elisp code.
>
> Could you please try to recreate a backtrace using interpreted Elisp?
> The only thing you need to do is to load the .el files of the according
> libraries ("doc-view.el" and "files.el" should suffice) and then do the
> same as before.
>
> TIA,
>
> Michael.
>
>


  reply	other threads:[~2023-03-16  6:57 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-15 18:35 emacs 30.5.0 editing epub H.-J. Heitländer
2023-03-16  5:05 ` Michael Heerdegen
2023-03-16  6:57   ` H.-J. Heitländer [this message]
2023-03-17  0:44     ` Michael Heerdegen
2023-03-17  1:13     ` Michael Heerdegen
2023-03-19 21:23       ` editing a PDF [Re: emacs 30.5.0 editing epub] gebser
2023-03-19 23:59         ` Michael Heerdegen
2023-03-20  7:15           ` gebser
2023-03-21  0:31             ` Michael Heerdegen
2023-03-21  6:28             ` Yuri Khan
2023-03-21  6:38               ` Emanuel Berg
2023-03-22 16:32                 ` Yuri Khan
2023-03-22 18:48                   ` Bob Newell
2023-03-23  9:36                     ` Jean Louis
2023-03-23 23:00                       ` Bob Newell
2023-03-23  9:13                   ` Jean Louis
2023-03-23 10:37                   ` Michael Heerdegen
2023-03-23 20:13                     ` Emanuel Berg
2023-03-23 20:07                   ` Emanuel Berg
2023-03-21 11:51               ` Ulrich Deiters
2023-03-21 21:57                 ` gebser
2023-03-21 22:55                   ` Ulrich Deiters
2023-03-22  1:56                     ` Michael Heerdegen
2023-03-22  8:26                     ` FOSS replacement for PDF [Re: editing a PDF] gebser
2023-03-22  9:18                       ` Yuri Khan
2023-03-23  9:21                         ` Jean Louis
2023-03-23  9:49                           ` Yuri Khan
2023-03-23 10:53                             ` Gregory Heytings
2023-03-28 11:28                     ` editing a PDF [Re: emacs 30.5.0 editing epub] Michael Heerdegen
2023-03-22  7:03                   ` Jean Louis
2023-03-22 15:20                     ` gebser
2023-03-16  9:22 ` emacs 30.5.0 editing epub Stephen Berman
2023-03-16 13:16   ` H.-J. Heitländer
2023-03-16 15:23     ` Yuri Khan
2023-03-16 16:54       ` H.-J. Heitländer
2023-03-16 18:58         ` Stefan Monnier via Users list for the GNU Emacs text editor
2023-03-20 21:50           ` emacs 30.5.0 editing epub - finishing remark H.-J. Heitländer

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