bug#66737: 30.0.50; Unexpected combination of double quote and acute accent

[Eli Zaretskii]

> From: Markus Triska <triska@metalevel.at>
> Date: Wed, 25 Oct 2023 00:22:38 +0200
> 
> To reproduce this issue, please start Emacs with:
> 
>     $ emacs -Q
> 
> and then insert the following text in the *scratch* buffer:
> 
>     Ϊ́"
> 
> The expected appearance is: the letter Ι combined with diaeresis and
> acute accent, followed by double quote.
> 
> Instead, I see: the letter I combined with diaeresis, followed by
> double quote combined with acute accent.

Try another font.  On my system, the display is like you expect.

If you go to the letter I and type "C-u C-x =", what does Emacs say in
the *Help* buffer?