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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Compiling emacs-27.0.91 on macOS Catalina
Date: Fri, 15 May 2020 12:56:25 +0300
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> Date: Fri, 15 May 2020 07:25:58 +0100
> From: Alan Third <alan@idiocy.org>
> Cc: paranda@it.uc3m.es, emacs-devel@gnu.org
> 
> Alternatively we could check the results from trying to load the file.
> There's no way I can see to catch the error, but we can count the
> number of colours available. Is this too late for Emacs 27?

I don't think I understand the effect of this change yet, so I cannot
answer the question.  How will this prevent the problem?