H.-Dirk Schmitt writes:
> In difference to the 9.5 version the setting `#+LANGUAGE: de-de` is not
working any more.
> The option of the babel LaTeX package is in this case now empty.
>
> An easy mitigation is to use instead `de-de` the `de` language code.
The following upstream commit restored "de-de" language definition:
893c5d085 2023-09-08 19:33:25 +0200 Juan Manuel Macias: ox-latex.el:
Fixes and improvements in `org-latex-language-alist'.
https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?id=893c5d085
See the emacs-orgmode mailing list thread for details
https://list.orgmode.org/orgmode/877coywan5....@posteo.net/
Juan Manuel Macías. Re: [patch] Fixes and improvements in
org-latex-language-alist. Sun, 10 Sep 2023 11:06:06 +0000
Changes will be included into the next major Org mode release.
#+language: de
#+latex_header: \usepackage[AUTO]{babel}
results in
\usepackage[ngerman]{babel}
\hypersetup{
% ...
pdflang={German}}
It is a bit different from Org mode 9.5 however
\usepackage[germanb]{babel}
\hypersetup{
% ...
pdflang={Germanb}}
