[BUG] Recursive dependency when gnuplot added to org-babel-load-languages [9.1.13 (release_9.1.13-791-g842002 @ /home/hugh/git/org-mode/lisp/)]

[hugh]

Remember to cover the basics, that is, what you expected to happen and
what in fact did happen.  You don't know how to make a good report?  See

     https://orgmode.org/manual/Feedback.html#Feedback

Your bug report will be posted to the Org mailing list.
------------------------------------------------------------------------

When 'org-babel-load-languages includes '(gnuplot . t), M-x org-mode
RET, or equivalently editing a *.org file, generates a File mode
specification error:

,----
| File mode specification error: (error Recursive load 
/home/hugh/git/org-mode/lisp/org.el /home/hugh/git/org-mode/lisp/org-element.el 
/home/hugh/git/org-mode/lisp/ox.el /home/hugh/git/org-mode/lisp/ox-ascii.el 
/home/hugh/git/org-mode/lisp/ob-gnuplot.el /home/hugh/git/org-mode/lisp/org.el 
/home/hugh/git/org-mode/lisp/org-element.el /home/hugh/git/org-mode/lisp/ox.el 
/home/hugh/git/org-mode/lisp/ox-ascii.el 
/home/hugh/git/org-mode/lisp/ob-gnuplot.el /home/hugh/git/org-mode/lisp/org.el 
/home/hugh/git/org-mode/lisp/org-element.el /home/hugh/git/org-mode/lisp/ox.el 
/home/hugh/git/org-mode/lisp/ox-ascii.el 
/home/hugh/git/org-mode/lisp/ob-gnuplot.el /home/hugh/git/org-mode/lisp/org.el 
/home/hugh/git/org-mode/lisp/org-element.el /home/hugh/git/org-mode/lisp/ox.el 
/home/hugh/git/org-mode/lisp/ox-ascii.el 
/home/hugh/git/org-mode/lisp/ob-gnuplot.el /home/hugh/git/org-mode/lisp/org.el)
`----

rather than simply enabling org-mode.

Reproducible with command:

,----
| emacs  -Q --load /tmp/emacs/init.el /tmp/xxx.org
`----

Where /tmp/emacs/init.el contains:

,----
| (add-to-list 'load-path "~/git/org-mode/lisp")
| 
| (custom-set-variables
|  ;; custom-set-variables was added by Custom.
|  ;; If you edit it by hand, you could mess it up, so be careful.
|  ;; Your init file should contain only one such instance.
|  ;; If there is more than one, they won't work right.
|  '(org-babel-load-languages '((gnuplot . t))))
`----

Target file /tmp/xxx.org need not exist.  Its use on the command line is
simply to call 'org-mode.

Workaround is simply to remove '((gnuplot . t)) from
'org-babel-load-languages

Cheers,
Hugh
--

Emacs  : GNU Emacs 29.1 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo version 
1.17.8, Xaw3d scroll bars)
 of 2023-08-18
Package: Org mode version 9.1.13 (release_9.1.13-791-g842002 @ 
/home/hugh/git/org-mode/lisp/)

current state:
==============
(setq
 org-link-elisp-confirm-function 'yes-or-no-p
 org-bibtex-headline-format-function 'org-bibtex-headline-format-default
 org-persist-after-read-hook '(org-element--cache-persist-after-read)
 org-export-before-parsing-hook '(org-attach-expand-links)
 org-cycle-tab-first-hook '(org-babel-hide-result-toggle-maybe 
org-babel-header-arg-expand)
 org-archive-hook '(org-attach-archive-delete-maybe)
 org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-show-empty-lines
                  org-cycle-optimize-window-after-visibility-change 
org-cycle-display-inline-images)
 org-persist-before-read-hook '(org-element--cache-persist-before-read)
 org-yank-image-file-name-function 'org-yank-image-autogen-filename
 org-mode-hook '((closure
                  (org--rds reftex-docstruct-symbol org-attach-method 
org--single-lines-list-is-paragraph
                   org-element-greater-elements org-agenda-restrict-end 
org-agenda-restrict-begin
                   org-agenda-restrict visual-fill-column-width 
org-clock-history org-agenda-current-date
                   org-with-time org-defdecode org-def org-read-date-inactive 
org-ans2 org-ans1
                   org-columns-current-fmt-compiled org-clock-current-task 
org-clock-effort
                   org-agenda-skip-function org-agenda-skip-comment-trees 
org-agenda-archives-mode
                   org-end-time-was-given org-time-was-given org-log-note-extra 
org-log-note-purpose
                   org-log-post-message org-last-inserted-timestamp 
org-last-changed-timestamp
                   org-entry-property-inherited-from org-state 
org-agenda-headline-snapshot-before-repeat
                   org-agenda-buffer-name org-agenda-start-on-weekday 
org-agenda-buffer-tmp-name
                   org-priority-regexp org-mode-abbrev-table 
org-element-use-cache org-element-cache-persistent
                   org-element-cache-version buffer-face-mode-face org-tbl-menu 
org-org-menu org-struct-menu
                   org-entities org-last-state org-id-track-globally 
org-clock-start-time texmathp-why
                   remember-data-file org-agenda-tags-todo-honor-ignore-options 
calc-embedded-open-mode
                   calc-embedded-open-formula calc-embedded-close-formula 
align-mode-rules-list
                   org-emphasis-alist org-emphasis-regexp-components 
org-export-registered-backends org-modules
                   crm-separator org-id-overriding-file-name 
org-indent-indentation-per-level
                   org-element--timestamp-regexp 
org-element-cache-map-continue-from
                   org-element-paragraph-separate org-agenda-buffer-name 
org-inlinetask-min-level t)
                  nil (add-hook 'change-major-mode-hook 'org-fold-show-all 
'append 'local))
                 (closure (*this* org-babel-confirm-evaluate-answer-no t) nil
                  (add-hook 'change-major-mode-hook #'org-babel-show-result-all 
'append 'local))
                 (closure
                  (org-src-window-setup *this* 
org-babel-confirm-evaluate-answer-no
                   org-babel-tangle-uncomment-comments org-src-lang-modes 
org-edit-src-content-indentation
                   org-babel-library-of-babel t)
                  nil (add-hook 'change-major-mode-hook 
#'org-babel-show-result-all 'append 'local))
                 org-babel-result-hide-spec org-babel-hide-all-hashes)
 org-babel-load-languages nil
 org-confirm-shell-link-function 'yes-or-no-p
 outline-isearch-open-invisible-function 'outline-isearch-open-invisible
 org-agenda-before-write-hook '(org-agenda-add-entry-text)
 org-src-mode-hook '(org-src-babel-configure-edit-buffer 
org-src-mode-configure-edit-buffer)
 org-confirm-elisp-link-function 'yes-or-no-p
 org-speed-command-hook '(org-speed-command-activate 
org-babel-speed-command-activate)
 org-persist-directory "/tmp/org-persist-QeXnaR"
 org-fold-core-isearch-open-function 'org-fold-core--isearch-reveal
 org-persist-before-write-hook '(org-element--cache-persist-before-write)
 org-tab-first-hook '(org-babel-hide-result-toggle-maybe 
org-babel-header-arg-expand)
 org-link-shell-confirm-function 'yes-or-no-p
 org-babel-pre-tangle-hook '(save-buffer)
 org-agenda-loop-over-headlines-in-active-region nil
 org-occur-hook '(org-first-headline-recenter)
 org-metadown-hook '(org-babel-pop-to-session-maybe)
 org-link-parameters '(("attachment" :follow org-attach-follow :complete 
org-attach-complete-link)
                       ("id" :follow org-id-open) ("eww" :follow org-eww-open 
:store org-eww-store-link)
                       ("rmail" :follow org-rmail-open :store 
org-rmail-store-link)
                       ("mhe" :follow org-mhe-open :store org-mhe-store-link)
                       ("irc" :follow org-irc-visit :store org-irc-store-link 
:export org-irc-export)
                       ("info" :follow org-info-open :export org-info-export 
:store org-info-store-link
                        :insert-description org-info-description-as-command)
                       ("gnus" :follow org-gnus-open :store org-gnus-store-link)
                       ("docview" :follow org-docview-open :export 
org-docview-export :store
                        org-docview-store-link)
                       ("bibtex" :follow org-bibtex-open :store 
org-bibtex-store-link)
                       ("bbdb" :follow org-bbdb-open :export org-bbdb-export 
:complete org-bbdb-complete-link
                        :store org-bbdb-store-link)
                       ("w3m" :store org-w3m-store-link)
                       ("doi" :follow org-link-doi-open :export 
org-link-doi-export) ("file+sys") ("file+emacs")
                       ("shell" :follow org-link--open-shell)
                       ("news" :follow
                        (closure ((scheme . "news")) (url arg) (browse-url 
(concat scheme ":" url) arg)))
                       ("mailto" :follow
                        (closure ((scheme . "mailto")) (url arg) (browse-url 
(concat scheme ":" url) arg)))
                       ("https" :follow
                        (closure ((scheme . "https")) (url arg) (browse-url 
(concat scheme ":" url) arg)))
                       ("http" :follow
                        (closure ((scheme . "http")) (url arg) (browse-url 
(concat scheme ":" url) arg)))
                       ("ftp" :follow
                        (closure ((scheme . "ftp")) (url arg) (browse-url 
(concat scheme ":" url) arg)))
                       ("help" :follow org-link--open-help :store 
org-link--store-help)
                       ("file" :complete org-link-complete-file) ("elisp" 
:follow org-link--open-elisp))
 org-metaup-hook '(org-babel-load-in-session-maybe)
 )