GNU bug report logs - #67815
Commit dcd755dabcf9ef95d6d0534c11c668f44c6f89c2 kills org-beamer-export-to-pdf

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Pedro Andres Aranda Gutierrez <paaguti <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Commit dcd755dabcf9ef95d6d0534c11c668f44c6f89c2 kills
 org-beamer-export-to-pdf
Date: Wed, 13 Dec 2023 20:40:05 +0100

[Message part 1 (text/plain, inline)]

;; org-export.el
(require 'org)
(require 'python)
(python-shell-prompt-detect)
(setq org-src-preserve-indentation t
      org-src-fontify-natively t
      org-export-latex-listings t
 org-latex-listings 'listings
      org-latex-prefer-user-labels t
      org-confirm-babel-evaluate nil
      org-cite-export-processors nil
;     org-cite-export-processors '((beamer . biblatex)
;                                  (latex .  biblatex))
      org-cite-biblatex-options

"backend=biber,style=numeric,sorting=none,isbn=false,doi=false,url=true"
      ;; Make sure you have bibtex integrated in the production loop
      org-latex-pdf-process
        '("latexmk -bibtex -pdflatex='pdflatex --shell-escape
--interaction=nonstopmode' -pdf -f %f")
        org-babel-python-command (executable-find "python3"))
(add-to-list 'org-latex-packages-alist '("" "listings"))
(org-babel-do-load-languages  'org-babel-load-languages
                              '((python . t)
                                (shell . t)))

command:

emacs -Q -l export-beamer.el --batch flat.org --eval
'(org-beamer-export-to-pdf)'

error produced

File mode specification error: (error Invalid face box :line-width 1 :color
grey40)

Previous commit (a91185211924f65adf7c1376b7f2d710099a5903) produces the PDF
file


-- 
Fragen sind nicht da, um beantwortet zu werden,
Fragen sind da um gestellt zu werden
Georg Kreisler

Headaches with a Juju log:
unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
a leader-deposed hook here, but we can't yet

[Message part 2 (text/html, inline)]

Message #10 received at 67815-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Pedro Andres Aranda Gutierrez <paaguti <at> gmail.com>,
 Ihor Radchenko <yantar92 <at> posteo.net>
Cc: 67815-done <at> debbugs.gnu.org
Subject: Re: bug#67815: Commit dcd755dabcf9ef95d6d0534c11c668f44c6f89c2 kills
 org-beamer-export-to-pdf
Date: Thu, 14 Dec 2023 09:09:42 +0200

> From: Pedro Andres Aranda Gutierrez <paaguti <at> gmail.com>
> Date: Wed, 13 Dec 2023 20:40:05 +0100
> 
> command:
> 
> emacs -Q -l export-beamer.el --batch flat.org --eval '(org-beamer-export-to-pdf)'
> error produced
> 
> File mode specification error: (error Invalid face box :line-width 1 :color grey40)

In fact, just loading ox-beamer.el produces the same error.

> Previous commit (a91185211924f65adf7c1376b7f2d710099a5903) produces the PDF file

It's a bug in org-beamer.el.  It defines that face incorrectly:

  (defface org-beamer-tag '((t (:box (:line-width 1 :color grey40))))
                                                           ^^^^^^
"grey40" should be a string, not a symbol.

This bug is already fixed in Org on the emacs-29 release branch, so it
will be fixed soon on master as well, when we next merge emacs-29 onto
master.

I'm therefore closing this bug.

P.S. In general, whenever any errors pop up due to the above commit,
it is almost certainly a bug in the face definition (which previously
went unnoticed), so people should first and foremost look at the face
definition, because more often than not, there's a real bug there.

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