On Sun, 16 Nov 2025 14:13:22 +0800, Pedro Andres Aranda Gutierrez wrote: > > [1 <text/plain; UTF-8 (quoted-printable)>] > [2 <text/html; UTF-8 (quoted-printable)>] > On Sat, 15 Nov 2025 at 19:33, Ihor Radchenko <[email protected]> wrote: > > RadioNoiseE <[email protected]> writes: > > >> > luatexja also patches LaTeX2e's NFSS2, adding CJK font > >> > support. However unless there's a specific reason we shouldn't use > >> > that in Org export results. > >> > >> That sounds concerning. What are the potential consequences? > > > > I think no observable consequences for Org export. It will not > > interfere with any existing functionality. What is does is extending > > existing framework, providing NFSS2 like interfaces for document > > classes, handling CJK font scaling, vertical typesetting, etc > > features. > > > > However I was thinking to not use luatexja-fontspec, that is we no > > longer have \set...jfont control sequences. Since luatexja-fontspec > > should be loaded after fontspec as it patches fontspec. As a > > replacement, we can use (ref. luatexja document section 8.3) > > > > \ltj@stdmcfont -> The default Japanese font for the mincho family (serif) > > \ltj@stdgtfont -> The default Japanese font for the gothic family (sans > serif and monospace) > > \ltj@stdyokojfm -> The default JFM for horizontal direction > > \ltj@stdtatejfm -> The default JFM for vertical direction > > Will using these low-level commands be safe? What if luatexja-fontspec > changes them in future? > > > That is the other way of putting my last question ;-) And this is why I would > propose that for CJK we stick to > babel+xelatex as the way of handling jp,zh and (hopefully) kr localisation > and to fontspec+fallbacks for documents that > don't need localisation. > > WDYT?
If I understand correctly, fontspec+fallback will not work for CJK, since TeX's Kunth-Plass line-breaking algorithm only works for latin. Also punctuations need special handling, in a way similiar to ligatures. IMO it's necessary to at least support LuaTeX as an alternative to XeTeX. > /PA > > -- > Ihor Radchenko // yantar92, > Org mode maintainer, > Learn more about Org mode at <https://orgmode.org/>. > Support Org development at <https://liberapay.com/org-mode>, > or support my work at <https://liberapay.com/yantar92> > > -- > Fragen sind nicht da, um beantwortet zu werden, > Fragen sind da um gestellt zu werden > Georg Kreisler > > "Sagen's Paradeiser" (ORF: Als Radiohören gefährlich war) => write BE! > Year 1 of the New Koprocracy
