Re: Undo defalias

[Emanuel Berg]

Óscar Fuentes wrote:

>> (defmacro undefalias (symbol)
>>   `(progn
>>      (fset ,symbol (cadr (get ,symbol 'function-history)))
>>      (put ,symbol 'function-history (cddr (get ,symbol 'function-history)))))
>
> Thank you. It didn't work on the affected Emacs session (
> (message "foo) throwed "Symbol’s function definition is
> void: message"), most likely because of my previous attempts
> of fixing it, but it works on emacs -Q.

Something like that is maybe something to add to vanilla
Emacs, even.

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