I can confirm the same behaviour and would agree it is a bug.
Greg Minshall <minsh...@umich.edu> writes: > one line in why.org: > ---- > call_find-orgs() > ---- > > then > ---- > emacs -Q > ---- > > then > ---- > C-e h h > ---- > > then > ---- > Debugger entered--Lisp error: (wrong-type-argument consp nil) > org-babel-exp-code(nil lob) > org-babel-exp-do-export(nil lob) > org-babel-exp-process-buffer() > org-export-as(html nil nil nil (:output-file "why.html")) > org-export-to-file(html "why.html" nil nil nil nil nil) > org-html-export-to-html(nil nil nil nil) > org-export-dispatch(nil) > funcall-interactively(org-export-dispatch nil) > call-interactively(org-export-dispatch nil nil) > command-execute(org-export-dispatch) > > cheers. > > 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. > ------------------------------------------------------------------------ > > > > Emacs : GNU Emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.22, > cairo version 1.17.3) > of 2020-08-28 > Package: Org mode version 9.3 (release_9.3 @ /usr/share/emacs/27.1/lisp/org/) > > current state: > ============== > (setq > org-src-mode-hook '(org-src-babel-configure-edit-buffer > org-src-mode-configure-edit-buffer) > org-link-shell-confirm-function 'yes-or-no-p > org-metadown-hook '(org-babel-pop-to-session-maybe) > org-clock-out-hook '(org-clock-remove-empty-clock-drawer) > org-html-format-inlinetask-function > 'org-html-format-inlinetask-default-function > org-odt-format-headline-function 'org-odt-format-headline-default-function > org-ascii-format-inlinetask-function 'org-ascii-format-inlinetask-default > org-mode-hook '(#[0 "\300\301\302\303\304$\207" [add-hook > change-major-mode-hook org-show-all append local] 5] > #[0 "\300\301\302\303\304$\207" > [add-hook change-major-mode-hook org-babel-show-result-all > append local] 5] > org-babel-result-hide-spec org-babel-hide-all-hashes) > org-odt-format-drawer-function #[514 "\207" [] 3 "\n\n(fn NAME CONTENTS)"] > org-archive-hook '(org-attach-archive-delete-maybe) > org-confirm-elisp-link-function 'yes-or-no-p > org-agenda-before-write-hook '(org-agenda-add-entry-text) > org-metaup-hook '(org-babel-load-in-session-maybe) > org-bibtex-headline-format-function #[257 "\300\236A\207" [:title] 3 > "\n\n(fn ENTRY)"] > org-latex-format-drawer-function #[514 "\207" [] 3 "\n\n(fn _ CONTENTS)"] > org-babel-pre-tangle-hook '(save-buffer) > org-tab-first-hook '(org-babel-hide-result-toggle-maybe > org-babel-header-arg-expand) > org-ascii-format-drawer-function #[771 "\207" [] 4 "\n\n(fn NAME CONTENTS > WIDTH)"] > org-occur-hook '(org-first-headline-recenter) > org-export-coding-system 'utf-8 > org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-show-empty-lines > org-optimize-window-after-visibility-change) > org-speed-command-hook '(org-speed-command-activate > org-babel-speed-command-activate) > org-odt-format-inlinetask-function > 'org-odt-format-inlinetask-default-function > org-confirm-shell-link-function 'yes-or-no-p > org-link-parameters '(("attachment" :follow org-attach-open-link :export > org-attach-export-link :complete > org-attach-complete-link) > ("id" :follow org-id-open) ("eww" :follow eww :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) > ("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) ("file+sys") > ("file+emacs") > ("shell" :follow org-link--open-shell) > ("news" :follow #[257 "\301\300\302Q!\207" ["news" > browse-url ":"] 5 "\n\n(fn URL)"]) > ("mailto" :follow #[257 "\301\300\302Q!\207" ["mailto" > browse-url ":"] 5 "\n\n(fn URL)"]) > ("https" :follow #[257 "\301\300\302Q!\207" ["https" > browse-url ":"] 5 "\n\n(fn URL)"]) > ("http" :follow #[257 "\301\300\302Q!\207" ["http" > browse-url ":"] 5 "\n\n(fn URL)"]) > ("ftp" :follow #[257 "\301\300\302Q!\207" ["ftp" > browse-url ":"] 5 "\n\n(fn URL)"]) > ("help" :follow org-link--open-help) ("file" :complete > org-link-complete-file) > ("elisp" :follow org-link--open-elisp) ("doi" :follow > org-link--open-doi)) > org-latex-format-headline-function > 'org-latex-format-headline-default-function > org-link-elisp-confirm-function 'yes-or-no-p > org-latex-format-inlinetask-function > 'org-latex-format-inlinetask-default-function > org-html-format-drawer-function #[514 "\207" [] 3 "\n\n(fn NAME CONTENTS)"] > org-html-format-headline-function 'org-html-format-headline-default-function > ) -- Tim Cross