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From: Arni Magnusson <arnima@hafro.is>
To: Juanma Barranquero <lekktu@gmail.com>
Cc: 6743@debbugs.gnu.org
Subject: bug#6743: Backslash regexp in Elisp manual
Date: Wed, 28 Jul 2010 02:54:46 +0000 (GMT)	[thread overview]
Message-ID: <alpine.LFD.2.00.1007280233350.4243@hafstormur.hafro.is> (raw)
In-Reply-To: <AANLkTinN7buVx2-6T3Py6gf5kaVOt130qKJpiZoUtdGA@mail.gmail.com>

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Sorry, my mistake. The sentence is correct in the manual.

Arni



On Wed, 28 Jul 2010, Juanma Barranquero wrote:

> On Wed, Jul 28, 2010 at 01:31, Arni Magnusson <arnima@hafro.is> wrote:
>
>>  Therefore, the read syntax for a regular expression matching
>>  @samp{\} is @code{"\\\\"}.
>>
>> should be
>>
>>  Therefore, the read syntax for a regular expression matching
>>  @samp{\\} is @code{"\\\\"}.
>
> Why do you think so?
>
> The section is talking about the read syntax. To match \, you need a 
> regexp with \\, and to write \\ in a string, you need \\\\.
>
> Try
>
>  emacs -Q
>  \ <left>
>  M-: (looking-at "\\") <RET>   => (invalid-regexp "Trailing backslash")
>  q
>  M-: (looking-at "\\\\") <RET> => t
>
> Note that \\\\ is matching a single \ on the buffer, not \\
>
>     Juanma
>

  reply	other threads:[~2010-07-28  2:54 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-27 23:31 bug#6743: Backslash regexp in Elisp manual Arni Magnusson
2010-07-28  0:25 ` Juanma Barranquero
2010-07-28  2:54   ` Arni Magnusson [this message]
2010-07-28  2:58     ` Juanma Barranquero

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