Re: Org uses obsolete `filter-buffer-substring-functions` variable

[Ihor Radchenko <yantar92@posteo.net>]

Stefan Kangas <stefankangas@gmail.com> writes:

> Org uses the obsolete variable `filter-buffer-substring-functions'.
> This variable is likely due for deletion in Emacs 31.1.
>
> Usually, compatibility code looks for the new way of doing things, and
> then prefers that.  But it seems like someone decided here to look for
> the old symbol instead, and prefer that.  Unless I'm missing something,
> it seems to me that the code for the _new_ variable has been hitherto
> unused.

We backported this change from b1d7e58520dc42a4eda902aa934a250fda6a04ca
Emacs commit.

> Could you please take a look to confirm that removing
> `filter-buffer-substring-functions' from Emacs won't break your code?
> I have attached a diff.

Seems good.
We also do not support Emacs 24 anymore, so the compatibility wrapper is
no longer necessary.

Feel free to either install the change on Emacs side or provide a patch
for me to install on Org side.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>