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bug#47455: 27.1; bibtex mode - citation key generation - non-ascii chara
From: |
Arash Esbati |
Subject: |
bug#47455: 27.1; bibtex mode - citation key generation - non-ascii characters |
Date: |
Tue, 01 Jun 2021 11:14:50 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 |
Brian Elmegaard via "Bug reports for GNU Emacs, the Swiss army knife of
text editors" <bug-gnu-emacs@gnu.org> writes:
> Thanks for looking into this.
> I understand your reasoning about this being an issue with the tools
> used. In auctex I can also enter \newcommand{\ü}{u} without being
> warned that it will not work with latex.
It's not about LaTeX as the macro package, it's about the underlying
engine. This example
\documentclass[10pt]{article}
\newcommand\ü{foo}
\begin{document}
\ü bar
\end{document}
works when your run lualatex on it, but chokes with pdflatex. The
reason is described in ltnews30.pdf:
Improving Unicode handling in pdfTEX
[...] What is not possible when using an 8-bit engine such as
pdfTEX is to use characters other than ascii letters as part of a
command name. This is due to the fact that all other characters in
such engines are not single character tokens, but in fact consist of
a sequence of bytes and this is not supported in command names.
So yes, it about the tools used :-)
Best, Arash
- bug#47455: 27.1; bibtex mode - citation key generation - non-ascii characters,
Arash Esbati <=