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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:280921 Archived-At: (completing-read "test: " nil nil t) will pop up a prompt in mini buffer, pretend asking you for something and then inevitably fail. Is there some rationale behind the current behavior? Failing immediately seems strictly more efficient. Best, Qiantan