GNU bug report logs - #23430
25.0.93; iter-defun does not support special form save-current-buffer

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Message #14 received at 23430 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 23430 <at> debbugs.gnu.org
Subject: Re: bug#23430: 25.0.93; iter-defun does not support special form
 save-current-buffer
Date: Sat, 7 May 2016 02:30:12 +0300

On 05/07/2016 02:25 AM, Michael Heerdegen wrote:

> FWIW it's not crystal clear to me what the semantics of a supported
> `with-current-buffer' would be.  In particular: would `iter-yield' "jump
> out" of the `with-current-buffer' and restore the previous buffer, and
> would a restart of the generator change the current buffer again?

I think so, yeah. In the "rewritten" version of code, 
with-current-buffer would surround the function's body, so each time the 
function is called, with-current-buffer would be applied.

The value of point may or may not be saved and restored (this question 
also seems problematic, admittedly).

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