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From: Harald Hanche-Olsen <hanche@math.ntnu.no>
To: emacs-devel@gnu.org
Subject: Re: `save-excursion' defeated by `set-buffer'
Date: Sun, 10 Jan 2010 10:58:20 -0500 (EST)	[thread overview]
Message-ID: <20100110.105820.347261995.hanche@math.ntnu.no> (raw)
In-Reply-To: <jwvvdffj2b8.fsf-monnier+emacs@gnu.org>

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

> [...]
>   (with-current-buffer FOO ...)
> [...]
>   (with-current-buffer FOO (save-excursion ...))

An aside: While reading this discussion I wanted to experiment to
understand the difference between the two forms above. If I execute
the following from a buffer other than *scratch*, the letter A is
inserted four places after point, but point does not move:

(with-current-buffer "*scratch*" (forward-char 4) (insert "A"))

However, the doc string for with-current-buffer says nothing about
restoring point. This is confusing. Also, with-current-buffer expands
to save-current-buffer, whose doc string also says nothing about
restoring point. Again confusing.

- Harald




  parent reply	other threads:[~2010-01-10 15:58 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-20 19:19 `save-excursion' defeated by `set-buffer' Roland Winkler
2009-12-21 15:26 ` Stefan Monnier
2009-12-21 16:23   ` David Kastrup
2009-12-22 12:51     ` martin rudalics
2009-12-23  0:45     ` Stefan Monnier
2009-12-23  9:07       ` David Kastrup
2009-12-24  4:35         ` Stefan Monnier
2009-12-24  9:03           ` David Kastrup
2009-12-29 16:01             ` Stefan Monnier
2010-01-04  9:09               ` Drew Adams
2010-01-04 18:30                 ` Stefan Monnier
2010-01-05 20:17                   ` David Kastrup
2010-01-06  0:02                     ` Drew Adams
2010-01-06  4:20                       ` Stefan Monnier
2010-01-06  8:07                         ` David Kastrup
2010-01-06  8:57                           ` Drew Adams
2010-01-10  4:57                             ` Stefan Monnier
2010-01-10  8:12                               ` David Kastrup
2010-01-10 21:43                                 ` Stefan Monnier
2010-01-11  8:24                                   ` David Kastrup
2010-01-11  9:21                                     ` martin rudalics
2010-01-11 16:50                                       ` Stefan Monnier
2010-01-10 17:03                               ` Drew Adams
2010-01-10  4:51                           ` Stefan Monnier
2010-01-10 15:58                         ` Harald Hanche-Olsen [this message]
2010-01-10 18:05                           ` martin rudalics
2010-01-10 18:06                           ` Drew Adams
2010-01-10 19:44                             ` Harald Hanche-Olsen
2009-12-24 14:04   ` Roland Winkler
2010-01-04 17:08   ` Davis Herring
2010-01-04 17:34     ` David Kastrup
2010-01-04 18:33     ` Stefan Monnier
  -- strict thread matches above, loose matches on Subject: below --
2009-12-18  9:20 Eli Zaretskii
2009-12-18 15:29 ` Juanma Barranquero
2009-12-18 15:58   ` Thierry Volpiatto

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