GNU bug report logs - #36522
12.1.2; Cannot preview document with TeX-engine: luatex

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Message #14 received at 36522 <at> debbugs.gnu.org (full text, mbox):

From: Luke Lau <luke_lau <at> icloud.com>
To: Ikumi Keita <ikumi <at> ikumi.que.jp>
Cc: 36522 <at> debbugs.gnu.org
Subject: Re: bug#36522: 12.1.2; Cannot preview document with TeX-engine: luatex
Date: Tue, 9 Jul 2019 21:33:27 +0100

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Hi Ikumi,

`kpsewhich luatex85.sty` returned exit code 1, so I installed luatex85.sty and it works perfectly now. 
Thank you for all your help!
(Sorry about missing the Cc: header, I’m still trying to get the hang of mailing lists!)



Luke

> On 9 Jul 2019, at 08:42, Ikumi Keita <ikumi <at> ikumi.que.jp> wrote:
> 
> [ I resend this message because I missed to include
> 36522 <at> debbugs.gnu.org in Cc: header.  Luke, please keep this address in
> Cc: when you reply. ]
> 
> Hi Luke,
> 
>>>>>> Luke Lau <luke_lau <at> icloud.com> writes:
>> I noticed that the command used to run lualatex is always:
> 
>> Running `Preview-LaTeX' on `test' with ``lualatex --jobname=test  -file-line-error   "\nonstopmode\nofiles\PassOptionsToPackage{active,tightpage,auctex}{preview}\AtBeginDocument{\ifx\ifPreview\undefined\RequirePackage[displaymath,floats,graphics,textmath,sections,footnotes]{preview}[2004/11/05]\fi}" "\input" "{\detokenize{" test.tex "}}”''
> 
>> I’m not seeing the -ini option passed to it, as seems to be set up here? http://git.savannah.gnu.org/cgit/auctex.git/tree/preview.el.in#n3283
> 
>> Could this be causing it to skip the DVI file?
> 
> I don't think so.  The difference is just a result of your answer to
> "Cache preamble?" question.  You can toggle the state by C-c C-p C-f and
> C-c C-p C-c C-f.
> 
> And now I think I figured out the reason.  Comparing your log and mine
> in detail, I noticed that your run of lualatex didn't load luatex85.sty:
> ,----[ your log ]
> | (/Users/luke/.emacs.d/elpa/auctex-12.1.2/latex/preview.sty (/Users/luke/.emacs.d/elpa/auctex-12.1.2/latex/prtightpage.def) (/Users/luke/.emacs.d/elpa/auctex-12.1.2/latex/prauctex.def
> | No auxiliary output files.
> | 
> | 
> | (/Users/luke/.emacs.d/elpa/auctex-12.1.2/latex/prauctex.cfg)) (/Users/luke/.emacs.d/elpa/auctex-12.1.2/latex/prfootnotes.def)
> | Preview: Fontsize 10pt
> | )
> `----
> ,----[ my log ]
> | (/usr/local/texlive/texmf-local/tex/latex/preview/preview.sty (/usr/local/texlive/2019/texmf-dist/tex/generic/luatex85/luatex85.sty) (/usr/local/texlive/texmf-local/tex/latex/preview/prtightpage.def) (/usr/local/texlive/texmf-local/tex/latex/preview/prauctex.def
> | No auxiliary output files.
> | 
> | 
> | (/usr/local/texlive/texmf-local/tex/latex/preview/prauctex.cfg)) (/usr/local/texlive/texmf-local/tex/latex/preview/prfootnotes.def)
> | Preview: Fontsize 10pt
> | Preview: PDFoutput 1
> | )
> `----
> 
> I suppose that the lack of luatex85.sty made preview.sty unaware that
> the current engine (luatex) produces PDF instead of DVI, which led to
> the absence of "Preview: PDFoutput 1" in your log.  Without this tag,
> preview-latex expects DVI output and uses dvips.
> 
> What does the command
> kpsewhich luatex85.sty
> outputs?  On my machine, it looks like this:
> ~> kpsewhich luatex85.sty
> /usr/local/texlive/2019/texmf-dist/tex/generic/luatex85/luatex85.sty
> If you get null result, then I suppose that basic-tex 2019 does not
> contain luatex85.sty.
> 
> In that case, download luatex85 package from
> https://www.ctan.org/pkg/luatex85
> and install it in your personal texmf tree.  Then preview-latex will
> work well.
> 
> Regards,
> Ikumi Keita

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