And what about the speed of xelatex? I have not used it, because when I tried some time ago, it didn't handle fonts as nicely as lualatex, but I'd be willing to learn if that means a speedy UTF.8 sound latex.
Thx, /PA On Tue, 8 Apr 2025 at 16:39, Leo Butler <leo.but...@umanitoba.ca> wrote: > On Thu, Apr 03 2025, Ihor Radchenko <yanta...@posteo.net> wrote: > > > Karthik Chikmagalur <karthikchikmaga...@gmail.com> writes: > > > >> For org-latex-preview, one of the other things we tried was to keep all > >> utf-8 font-related settings out of the header that is precompiled. If > >> we manage this precompilation can work (somewhat unreliably) with > >> lualatex, and previews are a bit faster. But doing this via string > >> matching is difficult and fragile. And even with precompilation, > >> lualatex has a slow startup time, and we are some distance away from < 1 > >> sec preview updates. > > > > I am wondering if the current design with many previews generated using > > the same latex process can be extended. May we somehow add a Lua code to > > preview.sty that will not exit at all and watch for new .tex fragments > > to appear and preview them. The idea is to avoid stopping lualatex > > process most of the time (unless preamble has to be changed) and make it > > work like a server. That may bring the preview speed to acceptable > levels. > > Do you mean preview.sty from the preview package [1]? > > My understanding of this thread on tug.org [2] is that there isn't an > easy way to do what you want from within luatex (and the luatex > developpers are un-interested in speeding up luatex). > > I suppose that we could create a stable of luatex processes that are > waiting for input. I don't know if that would speed things up > appreciably, though. > > Leo > > [1] - https://ctan.org/tex-archive/macros/latex/contrib/preview > [2] - https://tug.org/pipermail/luatex/2023-December/thread.html#7898 -- Fragen sind nicht da, um beantwortet zu werden, Fragen sind da um gestellt zu werden Georg Kreisler Sagen's Paradeiser, write BE! Year 1 of the New Koprocracy
