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From: akrl <akrl@sdf.org>
To: help-gnu-emacs@gnu.org
Subject: Re: question about buffer mechanism
Date: Thu, 23 Aug 2018 08:49:41 +0000	[thread overview]
Message-ID: <xjfva81h3h6.fsf@sdf.org> (raw)
In-Reply-To: mailman.5308.1534719353.1292.help-gnu-emacs@gnu.org

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> The "current buffer" can be *any* buffer; it's a global variable that
> refers to one of the buffers and that variable can be changed with
> `set-buffer`.  Despite appearances, it is not directly related to which
> buffer is displayed on screen.
>
> org-open-at-point changes the buffer displayed on screen, but it happens
> to do so while preserving the "current buffer", so when the function
> returns, the current buffer is still the buffer in which you found the
> link rather than the new buffer that is now displayed in its place.
>
> As soon as the current *command* ends, the current buffer will be re-set
> by the command loop to point to the buffer of the currently selected
> window, i.e. the buffer which the user thinks of as "current" (in this
> case, the new buffer containing the target of the link).
>
>
>         Stefan

Hi Stefan,
thanks this really helped me to understand how it works and to solve my
problem.

Bests
  Andrea
  
-- 
akrl@sdf.org


      parent reply	other threads:[~2018-08-23  8:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-19 19:04 question about buffer mechanism akrl
2018-08-19 20:34 ` Stefan Monnier
     [not found] ` <mailman.5302.1534710880.1292.help-gnu-emacs@gnu.org>
2018-08-19 22:04   ` akrl
2018-08-19 22:55     ` Stefan Monnier
     [not found]     ` <mailman.5308.1534719353.1292.help-gnu-emacs@gnu.org>
2018-08-23  8:49       ` akrl [this message]

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