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Strange (while t ...) in 'error' definition...


From: Oleksandr Gavenko
Subject: Strange (while t ...) in 'error' definition...
Date: Tue, 05 Mar 2013 23:35:33 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux)

>From 'emacs-bzr/trunk/lisp/subr.el':

  (defun user-error (format &rest args)
    (while t
      (signal 'user-error (list (apply #'format format args)))))

Why is it needed to surround 'signal' with 'while t'?

This definition dated by 1990-11-05 (according to bzr history)...

-- 
Best regards!




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