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From: Amin Bandali <bandali@gnu.org>
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Subject: Re: How can I restart *scratch* buffer?
Date: Sun, 08 Sep 2019 08:56:55 -0400
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Hi,

=E6=9D=8E=E4=B8=8D=E6=98=BE <flypigonsky@gmail.com> writes:

> Marcin Borkowski <mbork@mbork.pl> =E4=BA=8E2019=E5=B9=B49=E6=9C=882=E6=97=
=A5=E5=91=A8=E4=B8=80 =E4=B8=8B=E5=8D=8811:30=E5=86=99=E9=81=93=EF=BC=9A
[...]
>> How about M-: (startup--get-buffer-create-scratch) RET?
[...]
>
>
> I tried to do this, but *backtrace* says:
>
> Debugger entered--Lisp error: (void-function
> startup-get-buffer-create-scratch)
>   (startup-get-buffer-create-scratch)
>   eval((startup-get-buffer-create-scratch) nil)
>   elisp--eval-last-sexp(nil)
>   eval-last-sexp(nil)
>   funcall-interactively(eval-last-sexp nil)
>   call-interactively(eval-last-sexp nil nil)
>   command-execute(eval-last-sexp)

There=E2=80=99s a typo; notice that there needs to be two dashes between
=E2=80=9Cstartup=E2=80=9D and =E2=80=9Cget=E2=80=9D.

You seem to have used:
    startup-get-buffer-create-scratch

Instead, try using:
    startup--get-buffer-create-scratch

Hope that helps.