Re: "Invalid regular expression" in visual-basic-mode.el

[Mathias Dahl]

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?

/Mathias