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From: Kevin Rodgers <ihs_4664@yahoo.com>
Subject: Re: "Invalid regular expression" in visual-basic-mode.el
Date: Fri, 17 Sep 2004 17:45:10 -0600	[thread overview]
Message-ID: <414B7706.3000402@yahoo.com> (raw)
In-Reply-To: upt4ljpvr.fsf@hotmail.com

Mathias Dahl wrote:
 > Mathias Dahl <brakjoller@hotmail.com> writes:
 >>I am testing Emacs CVS on Windows XP (fetched from the
 >>nqemacs-project) and get errors in visual-basic-mode that I
 >>did not get in 21.3. I have turned on debug-on-error and the
 >>problem is with the following code:
 >>
 >> (looking-at "^.*\\_[ 	]*$")
 >>
 >>If you evaluate the above you will get the error mentioned
 >>in the subject line.
 >>
 >>Is this a bug in Emacs or in visual-basic-mode.el? I know a
 >>bit of regexp myself and the example above seems valid to me.
 >
 > I solved my problem temporarily by changing the expression
 > to this:
 >
 > (defconst visual-basic-continuation-regexp "^.*_[ \t]*$")
 >
 > That extra backslash did not seem to make sense.
 >
 > But still, is it really invalid?

\_ (backslash-underscore ) is not a defined regexp construct.  In the
past it was treated as a 2-character sequence; apparently now that
should be represented as "\\\\_".

-- 
Kevin Rodgers

  reply	other threads:[~2004-09-17 23:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-17  7:45 "Invalid regular expression" in visual-basic-mode.el Mathias Dahl
2004-09-17  7:50 ` Mathias Dahl
2004-09-17 23:45   ` Kevin Rodgers [this message]
2004-09-20 12:16     ` Mathias Dahl

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