GNU bug report logs - #65884
29.1; prettify-symbols-unprettify-at-point documentation

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Kangas <stefankangas <at> gmail.com>
Cc: peter.mao <at> gmail.com, 65884 <at> debbugs.gnu.org
Subject: bug#65884: 29.1; prettify-symbols-unprettify-at-point documentation
Date: Thu, 14 Sep 2023 08:46:57 +0300

> Resent-To: bug-gnu-emacs <at> gnu.org
> Cc: 65884-done <at> debbugs.gnu.org
> From: Stefan Kangas <stefankangas <at> gmail.com>
> Date: Wed, 13 Sep 2023 13:45:47 -0700
> 
> Version: 29.2
> 
> Peter Mao <peter.mao <at> gmail.com> writes:
> 
> > I just learned about prettify-symbols mode and prettify-symbols-unprettify-at-point from Tony Zorman's recent blog post, so I tried it out, unsuccessfully
> > at first...
> >
> > Recipe from emacs -Q:
> >
> > In the *scratch* buffer:
> > M-x prettify-symbols-mode
> > (setq prettify-symbols-unprettify-at-point t)
> > C-x C-e ;; to evaluate the setq
> > lambda  ;; the symbol λ appears
> > C-b
> >
> > At this point, I'm expecting the symbol λ to deprettify back to
> > "lambda", but it does not.
> >
> > Looking in the code in prog-mode.el, I see that the unprettification
> > needs to be set **before** the minor mode is activated in the buffer.
> > Perhaps this should be pointed out in the documentation?
> 
> Thanks, I've now documented this on emacs-29.

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