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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Postfix input methods and read-char
Date: Tue, 07 Jan 2025 15:35:32 +0200
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To: Gautier Ponsinet <gautier@gautierponsinet.xyz>
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In-Reply-To: <87r05elrd7.fsf@gautierponsinet.xyz> (message from Gautier
 Ponsinet on Tue, 07 Jan 2025 13:51:00 +0100)
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> From: Gautier Ponsinet <gautier@gautierponsinet.xyz>
> Date: Tue, 07 Jan 2025 13:51:00 +0100
> 
> Hello everyone,
> 
> The following question is motivated by the avy package
> (https://github.com/abo-abo/avy) which relies on read-char. How to
> select a character without accent via read-char with an active "postfix"
> input method?
> 
> An example, in emacs -Q:
> - C-u C-\ french-postfix <Enter>
> - M-: (read-char "Prompt: " t) <Enter>
> - a
> 
> Here, the minibuffer waits for a possible accent (^ or `). How can I
> enter a simple "a" without accent?

You need to type something after it.  For example, SPC.

Another method is to type "a C-\ C-\", i.e. type C-\ twice after
typing your ASCII character.