Re: Highlighting parentheses when matching parentheses resides outside visible window

[Eli Zaretskii]

> Date: Wed, 26 Oct 2022 19:14:57 +0000
> From: Heime <heimeborgia@protonmail.com>
> Cc: help-gnu-emacs@gnu.org
> 
> > It's a rarely-needed functionality, for the purpose for which
> > show-paren-mode was designed.
> 
> There are many function longer than the height of a normal emacs
> window.

show-paren-mode is not for highlighting functions, as its name and
documentation makes clear.

> Thusly I fail to conclude that it is a rarely-needed functionality.
> Because the show-paren-mode functionality fails when the window is
> small or the function is long, technically it should be considered a
> bug.

It isn't a bug, since show-paren-mode is not supposed to provide what
you want.  Other packages do, so I suggest that you find one that
suits your needs and install it.