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From: Michael Heerdegen <michael_heerdegen@web.de>
Newsgroups: gmane.emacs.help
Subject: Re: Error: End of file during parsing
Date: Tue, 27 Sep 2022 12:37:36 +0200
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Eli Zaretskii <eliz@gnu.org> writes:

> It did tell you: the error is at EOF.  That's where Emacs realized
> that there is an error.  It cannot do that earlier.
>
> The problem is likely unbalanced parentheses somewhere.

Yes, likely.

If a file contains N open parens and N+1 closing parens, or the other
way round, Emacs can't even know or conclude what the programmer
actually wanted to write.  This kind of problem requires some manual
error searching by the programmer.

Michael.