Path: ...!feeds.phibee-telecom.net!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: =?utf-8?Q?Denis_Bitouz=C3=A9?= <dbitouze@wanadoo.fr>
Newsgroups: comp.text.tex
Subject: Re: Amsmath problem
Date: Sun, 23 Jun 2024 20:55:23 +0200
Organization: A noiseless patient Spider
Lines: 29
Message-ID: <87le2vmquc.fsf@example.com>
References: <v59cld$crhi$1@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Injection-Date: Sun, 23 Jun 2024 20:55:23 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="08961a11caf4fed1d71cd7dd50d9e701";
	logging-data="501573"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18lttpKpRnGNVTwZogDGtdRw9AOdPjHZBw="
User-Agent: Gnus/5.13 (Gnus v5.13)
Cancel-Lock: sha1:zqcUxMAWdRjBMuSLaFj1e3rOp8k=
	sha1:surPPtqH2zhynQnGeA+LWbfP5U0=
X-Url: https://mt2e.univ-littoral.fr/Members/denis-bitouze/pub/latex
X-Archive: encrypt
Bytes: 1817

Le 23/06/24 à 14h49, db a écrit :

> I wrote this mini-example:
>
> \documentclass[12pt,fleqn,A4,danish]{article}
> \usepackage{amsmath}
> \usepackage{graphicx}
> \usepackage[text={14cm,20cm},centering]{geometry}
> \begin{document}
> \title{Amsmath problem}
> \author{}
> \date{}
> \maketitle
> Bla bla $\mathrm{AuCl_4^−}$ and $\mathrm{TOA^+}$
>
> \end{document}

The following, relying on `chemformula`, works nicely with an up to
date TeX Live 2024:

--8<---------------cut here---------------start------------->8---
\documentclass{article}
\usepackage{chemformula}
\begin{document}
Bla bla \ch{AuCl4^−} and \ch{TOA^+}.
\end{document}
--8<---------------cut here---------------end--------------->8---
-- 
Denis