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Re: [Emacs-diffs] master d48e07a: * lisp/simple.el (next-error-find-buff

From: Dmitry Gutov
Subject: Re: [Emacs-diffs] master d48e07a: * lisp/simple.el (next-error-find-buffer-function): New defcustom.
Date: Mon, 26 Feb 2018 04:33:01 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0

On 2/22/18 12:04 AM, Stefan Monnier wrote:
+(defcustom next-error-find-buffer-function nil

Why make it a defcustom rather than a defvar?

I think we'll want to provide a set of predefined functions in the future, for the user to choose one from.

+   (when next-error-find-buffer-function
+     (funcall next-error-find-buffer-function avoid-current
+                                              extra-test-inclusive
+                                              extra-test-exclusive))

Could you arrange for the default value of this new *-function var not
to be nil so we can modify it with add-function?

Personally, I don't really expect this variable to be modified programmatically. And if it is, most likely not in a "function combination" fashion.

But, of course, I might be wrong.

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