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Re: mixing argument types


From: Rodolfo Medina
Subject: Re: mixing argument types
Date: Mon, 27 Aug 2018 15:06:37 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Emanuel Berg <moasen@zoho.com> writes:

> Stefan Monnier wrote:
>
>> So you'd write:
>>
>>     (defun do-a-on-b (a b &optional start stop)
>>       (interactive
>>         (list
>>           (completing-read "Give me A: " '("foo" "bar"))
>>           (read-file-name "Give me B:")
>>           (region-beginning)
>>           (region-end)))
>>       ...)
>
> Great, thanks!


What does `A' stand for...?  And foo and bar...?  And region-beginning/end...?

Excuse my unexperienced requests of explanation...

Thanks...

Rodolfo




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