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| From: | Stefan Monnier |
| Subject: | Re: master a7c65fc666: Allow nil value for filter-buffer-substring-function |
| Date: | Mon, 19 Sep 2022 16:56:37 -0400 |
| User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
> Allow nil value for filter-buffer-substring-function
>
> * lisp/simple.el
> (filter-buffer-substring): Support a nil value to be more resilient.
> (filter-buffer-substring-function): Doc fix; improve and update for
> above change.
Why? It's been that way "forever" already and new code should not put
a nil in there since it'll break uses of `add-function`.
Stefan
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