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Tue, 18 Aug 2026 07:13:58 -0400 (EDT) Received: by melete.silentflame.com (Postfix, from userid 1000) id BA6847E6153; Tue, 18 Aug 2026 12:13:57 +0100 (BST) From: Sean Whitton <spwhitton@HIDDEN> To: Arash Esbati <arash@HIDDEN>, 81648 <at> debbugs.gnu.org Subject: Re: bug#81648: 32.0.50; Running LaTeX on files with non-ASCII chars in the name In-Reply-To: <m27blnhig4.fsf@HIDDEN> References: <m27blnhig4.fsf@HIDDEN> Date: Tue, 18 Aug 2026 12:13:57 +0100 Message-ID: <87y0e3ptoq.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 81648 Cc: stefan monnier <monnier@HIDDEN> X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) Arash Esbati [18/Aug 11:43am +02] wrote: > X-Debbugs-CC: Stefan Monnier <monnier@HIDDEN> > > Hi all, > > compiling LaTeX files with non-ASCII characters in their file names > fails. Steps to reproduce: Does the same pdflatex command work at the command line? -- Sean Whitton
bug-gnu-emacs@HIDDEN:bug#81648; Package emacs.
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From: Arash Esbati <arash@HIDDEN>
To: "emacs-bugs" <bug-gnu-emacs@HIDDEN>
Subject: 32.0.50; Running LaTeX on files with non-ASCII chars in the name
Date: Tue, 18 Aug 2026 11:43:55 +0200
Message-ID: <m27blnhig4.fsf@HIDDEN>
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--=-=-=
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X-Debbugs-CC: Stefan Monnier <monnier@HIDDEN>
Hi all,
compiling LaTeX files with non-ASCII characters in their file names
fails. Steps to reproduce:
=E2=80=A2 Save the file attached in a temp directory
=E2=80=A2 Start Emacs as 'emacs -Q'
=E2=80=A2 Open the file and hit 'C-c C-c RET' or 'C-c C-f' to compile
=E2=80=A2 This is what I see after 'C-c C-c RET':
--8<---------------cut here---------------start------------->8---
$ pdflatex \\nonstopmode\\input \=C3=A4.tex
This is pdfTeX, Version 3.141592653-2.6-1.40.29 (TeX Live 2026) (preloaded =
format=3Dpdflatex)
restricted \write18 enabled.
entering extended mode
LaTeX2e <2026-06-01>
L3 programming layer <2026-08-10>
(/usr/local/texlive/2026/texmf-dist/tex/latex/tools/.tex File ignored)
! LaTeX Error: Missing \begin{document}.
See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
<*> \nonstopmode\input =C3=A4
.tex
LaTeX Font Warning: Font shape `/cmr/m/n' undefined
(Font) using `/cmr/m/n' instead on input line 0.
! Corrupted NFSS tables.
wrong@fontshape ...message {Corrupted NFSS tables}
error@fontshape else let =
f...
<*> \nonstopmode\input =C3=A4
.tex
LaTeX Font Warning: Font shape `/cmr/m/n' undefined
(Font) using `OT1/cmr/m/n' instead on input line 0.
Missing character: There is no . in font nullfont!
Missing character: There is no t in font nullfont!
Missing character: There is no e in font nullfont!
Missing character: There is no x in font nullfont!
! Emergency stop.
<*> \nonstopmode\input =C3=A4.tex
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20
! =3D=3D> Fatal error occurred, no output PDF file produced!
Transcript written on .log.
--8<---------------cut here---------------end--------------->8---
This is on macOS; same on GNU/Linux as confirmed here[1].
Best, Arash
--=-=-=
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Content-Type: text/plain
Footnotes:
[1] https://lists.gnu.org/archive/html/bug-gnu-emacs/2026-08/msg00960.html
--=-=-=--
Arash Esbati <arash@HIDDEN>:monnier@HIDDEN, bug-gnu-emacs@HIDDEN.
Full text available.monnier@HIDDEN, bug-gnu-emacs@HIDDEN:bug#81648; Package emacs.
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