Hey Pedro, I just completed some testing on the feature branch, mostly on the `fontconfig' side (still asking around for some polyglot documents). It went very well; here’s what I did and found.
+ Compiled each of the [MWE] files you provided from the meetup (`babel' and `polyglossia') under `lualatex' and `xelatex', and compared all the outputs. Everything worked and the PDFs were close to your references with the right fonts embedded. [MWE] <https://lists.gnu.org/archive/html/emacs-orgmode/2025-06/msg00143.html> + Translated a few `unicode-math' configs into the variable `org-latex-fontspec-config' and compiled some math. No issues. + Tried out the font fallback options with `lualatex' and it worked well. This of course fails with `xelatex' since the fallback is specific to `lualatex'. To ensure the `xelatex' document can still be compiled in this case (albeit with missing glyphs), I think the fallbacks should be skipped: #+begin_src diff diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el index bfdc58d36..e716325f9 100644 --- a/lisp/ox-latex.el +++ b/lisp/ox-latex.el @@ -2105,7 +2105,8 @@ we are using neither bale nor polyglossia" (fallback (plist-get config-plist :fallback))) (push (cons fname (concat "fallback_" fname)) fallback-alist))) ;; (message "fallback-alist ==> %s" fallback-alist) - (when fallback-alist ;; if there are fonts with fallbacks + (when (and (equal compiler "lualatex") ;; no glyph-based fallbacks for xelatex + fallback-alist) ;; if there are fonts with fallbacks ;; create the directlua header (dolist (fallback fallback-alist) ;; (message "fallback ===> %s" fallback) #+end_src + To specify the fallbacks, it might be nicer to split off the mode, i.e. something like: #+begin_src emacs-lisp :fallback (("emoji" . "Noto Color Emoji" "harf")) #+end_src + I didn’t see a variable to customize `defaultfontfeatures' or `unimathsetup', but they might be useful. On 2025-06-07 01:26, Pedro Andres Aranda Gutierrez wrote: > PS: I would like to reiterate my request for MWE's for babel on _pdflatex_. Sorry if I’m missing context, but what kind of examples? Something like [this]? #+begin_src org ,#+LATEX_COMPILER: pdflatex ,#+LATEX_HEADER: \usepackage[main=english,czech]{babel} This is some text in english. @@latex:\foreignlanguage{czech}{@@Český jazyk neboli čeština je západoslovanský jazyk, nejbližší slovenštině, poté polštině a lužické srbštině.@@latex:}@@ #+end_src [this] <https://tex.stackexchange.com/questions/244910/how-to-use-foreign-language-in-pdflatex> Thanks, -- Jacob S. Gordon jacob.as.gor...@gmail.com ====================== Please avoid sending me HTML emails and MS Office documents. https://useplaintext.email/#etiquette https://www.gnu.org/philosophy/no-word-attachments.html
