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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: martin rudalics <rudalics@gmx.at>
Cc: emacs-devel@gnu.org, Miles Bader <miles@gnu.org>
Subject: Re: undo weirdness with insert-file-contents
Date: Thu, 28 Feb 2008 11:52:53 -0500	[thread overview]
Message-ID: <jwv8x156n5p.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <47C6B359.10302@gmx.at> (martin rudalics's message of "Thu, 28 Feb 2008 14:12:57 +0100")

> The (1 . 21) entry is silly and obviously breaks undoing the prior
> (insert "Foo: bar\n").  Although EQ (XCAR (tem), lbeg) was not very
> intelligent, setting this to (XCAR (tem) == lbeg) doesn't seem to help
> either.  Please try again with the attached patch.

I recommend you compile your Emacs with -DUSE_LISP_UNION_TYPE so the
compiler will explain to you where you're going wrong: XCAR (tem) is
a Lisp_Object, not an integer, so it cannot be compared with ==, but
only with EQ (which doesn't strike me as particularly non-intelligent in
this instance).


        Stefan




  reply	other threads:[~2008-02-28 16:52 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-28  7:46 undo weirdness with insert-file-contents Miles Bader
2008-02-28  9:56 ` martin rudalics
2008-02-28 11:01   ` Miles Bader
2008-02-28 13:12     ` martin rudalics
2008-02-28 16:52       ` Stefan Monnier [this message]
2008-02-28 19:31         ` martin rudalics
2008-02-28 20:01           ` Miles Bader
2008-02-28 22:19             ` martin rudalics
2008-02-28 21:35           ` Stefan Monnier
2008-02-28 22:21             ` martin rudalics
2008-02-28 17:45 ` Glenn Morris
2008-02-28 19:35   ` martin rudalics
2008-02-28 20:28     ` Glenn Morris
2008-02-28 22:20       ` martin rudalics
2008-02-29 22:42       ` martin rudalics
2008-03-02  5:02         ` Stefan Monnier
2008-03-02 12:44           ` martin rudalics
2008-03-02 19:07             ` Stefan Monnier
2008-03-02 22:05               ` martin rudalics
2008-03-03  2:15                 ` Stefan Monnier
2008-03-03  9:09                   ` martin rudalics
2008-03-03 21:03                     ` Stefan Monnier
2008-03-07  9:33                       ` martin rudalics
2008-03-07 22:04                         ` Stefan Monnier
2008-03-08  9:55                           ` martin rudalics
2008-03-02 22:18               ` Bill Wohler
2008-03-03  9:09                 ` martin rudalics
2008-02-29  5:50   ` Bill Wohler

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