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Re: Passing arguments to Elisp function

From: tomas
Subject: Re: Passing arguments to Elisp function
Date: Sun, 1 Nov 2020 21:59:51 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

On Sun, Nov 01, 2020 at 04:54:55PM +0000, jai-bholeki via Users list for the 
GNU Emacs text editor wrote:
> I have a function gets the beginning and end of a region.
> Is is possible to pass another argument to the function that is a character 
> 'ch'?
> (defun pengo (beg end)
> (interactive "r") ; Specifies Mark and Point, smallest first
> (goto-char beg)
> )

You mean something like this?

  (defun foo (beg end ch)
    (interactive "rRegion:\ncChar:")
    (message "Region: (%d, %d) Char: %c" beg end ch))

(i.e. separate consecutive args in the interactive specification with
a new line, `\n').

 - t

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