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From: Lennart Borgman <lennart.borgman@gmail.com>
To: Teemu Likonen <tlikonen@iki.fi>, 3424@emacsbugs.donarmstrong.com
Cc: bug-gnu-emacs@gnu.org
Subject: bug#3424: align-regexp: Infinite loop with default regexp
Date: Sat, 30 May 2009 20:24:43 +0200	[thread overview]
Message-ID: <e01d8a50905301124s4fe57e3dn1872ea760fd0034f@mail.gmail.com> (raw)
In-Reply-To: <87my8upk47.fsf@iki.fi>

On Sat, May 30, 2009 at 7:37 PM, Teemu Likonen <tlikonen@iki.fi> wrote:
> The align-regexp command enters infinite loop when it is used with the
> default regexp and with REPEAT argument. It's seems to be because the
> regexp \s-* matches also zero-length strings.
>
> Steps to reproduce:
>
>  1. Put the following line to the *scratch* buffer:
>
>        foo bar
>
>  2. Put the line inside a region
>
>  3. Type command:
>
>        C-u M-x align-regexp RET \(\s-*\) RET 1 RET 1 RET y
>
>  4. Loop infinitely.

This does not happen for me with the latest pretest Emacs 23. Have you
tested there?


> I suggest changing the default regexp to \(\s-+\), like the attached
> patch illustrates.
>
>






  reply	other threads:[~2009-05-30 18:24 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87ljnv5pl7.fsf@iki.fi>
2009-05-30 17:37 ` bug#3424: align-regexp: Infinite loop with default regexp Teemu Likonen
2009-05-30 18:24   ` Lennart Borgman [this message]
2009-05-30 18:46     ` Teemu Likonen
2009-05-30 18:47       ` Lennart Borgman
2009-06-14  5:55   ` bug#3424: marked as done (align-regexp: Infinite loop with default regexp) Emacs bug Tracking System

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