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Re: How to travel into the future?

From: Yuri Khan
Subject: Re: How to travel into the future?
Date: Tue, 14 Feb 2017 16:05:48 +0700

On Tue, Feb 14, 2017 at 3:54 PM, Marcin Borkowski <> wrote:

> I'd like to use in my code the M-n facility in history to enable the
> user to have access to a reasonable default value, as described in
>   (info "(emacs) Minibuffer History").
> How should I do it?  Should I use read-string?  If so, do I have to put
> the default into the history variable and use the (HISTVAR . POSITION)
> argument to read-string?  If so, should I then manually delete the
> default (which might have been used or not by the user) from the history
> variable afterwards?

As far as I understand: (describe-function 'read-string)

 Fourth arg DEFAULT-VALUE is the default value or the list of default values.
 If non-nil, it is used for history commands, and as the value (or the first
 element of the list of default values) to return if the user enters the
 empty string.

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