bug#69266: 30.0.50; bibtex-parse-entry misreads escaped \}

[Ihor Radchenko <yantar92@posteo.net>]

Roland Winkler <winkler@gnu.org> writes:

> Ihor Radchenko <yantar92@posteo.net> writes:
>> According to https://www.bibtex.org/SpecialSymbols/, characters that
>> conflict with Bibtex format description can be \-escaped.
>
> I believe the above webpage is incorrect.  If I put something like \}
> into a BibTeX field, BibTeX complains about unbalanced braces.
> This is with BibTeX, Version 0.99d (TeX Live 2022/Debian).
> The parsing algoritm used by BibTeX is very simple.  Generally,
> BibTeX fields should contain valid LaTeX code.  So something
> like
>      title = "$\}$tex",
>
> should work with BibTeX, but it gives the same error message
> "unbalanced braces".

I am wondering if there exists a full Bibtex format description
somewhere. I can see some hints scattered over documentation in
https://ctan.org/pkg/bibtex, but nothing is complete.

-- 
Ihor Radchenko // yantar92,
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