Re: When was the function 'get-scratch-buffer-create' introduced?

[Akib Azmain Turja]

Philip Kaludercic <philipk@posteo.net> writes:

> Akib Azmain Turja <akib@disroot.org> writes:
>
>> On Emacs 28, 'get-scratch-buffer-create' seems to be undefined.  But
>> there is no NEWS entry about introducing 'get-scratch-buffer-create'.
>>
>> When was this function introduced?
>>
>> [ Originally reported by cgenie at Workroom Codeberg repo.
>>   https://codeberg.org/akib/emacs-workroom/issues/1 ]
>
> This seems to have been the first commit:
>
> commit 054062060e9f57fd037578378c23ad9ec294edac
> Author: Sean Whitton <spwhitton@spwhitton.name>
> Date:   Thu May 5 13:03:06 2022 -0700
>
>     Factor out *scratch* initialization
>     
>     * lisp/simple.el (get-scratch-buffer-create): New function, factored
>     out of scratch-buffer, and additionally clearing the modification flag
>     and calling substitute-command-keys (bug#55257).
>     (scratch-buffer):
>     * lisp/server.el (server-execute):
>     * lisp/startup.el (normal-no-mouse-startup-screen, command-line-1):
>     * lisp/window.el (last-buffer, window-normalize-buffer-to-switch-to):
>     * src/buffer.c (Fother_buffer, other_buffer_safely): Use it.
>     (syms_of_buffer): Add Qget_scratch_buffer_create.
>     * lisp/startup.el (startup--get-buffer-create-scratch): Delete
>     now-unused function.
>     * doc/lispref/os.texi (Summary: Sequence of Actions at Startup):
>     * NEWS (Incompatible changes in Emacs 29.1): Document the change.
>
> diff --git a/lisp/simple.el b/lisp/simple.el
> --- a/lisp/simple.el
> +++ b/lisp/simple.el
> @@ -10216,0 +10216,12 @@
> +(defun get-scratch-buffer-create ()
> +  "Return the \*scratch\* buffer, creating a new one if needed."
> +  (or (get-buffer "*scratch*")
> +      (let ((scratch (get-buffer-create "*scratch*")))
> +        ;; Don't touch the buffer contents or mode unless we know that
> +        ;; we just created it.
> +        (with-current-buffer scratch
> +          (when initial-scratch-message
> +            (insert (substitute-command-keys initial-scratch-message))
> +            (set-buffer-modified-p nil))
> +          (funcall initial-major-mode))
> +        scratch)))
>
> So it is part of Emacs 29.
>

Thanks!

-- 
Akib Azmain Turja, GPG key: 70018CE5819F17A3BBA666AFE74F0EFA922AE7F5
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