[ESS] R-mode: forward-sexp: Scan error: "Unbalanced parentheses"

[Aleksandar Blagotić]

Hm, that is strange... maybe it has something to do with Arch Linux
packages. I'll investigate this one further and report back.

Thanks,

aL3xa



On Tue, Dec 6, 2011 at 02:08, Michael Hannon <jm_hannon at yahoo.com> wrote:
>
> > Let's presuppose that I have a function like this:
> >
> > fn <- function(x, ...){
> >   re <- "^#{1,6} [[:print:]]+$"
> >   grepl(re, x, ...)
> > }
> >
> > As soon as I put my cursor at the end of the line with regexp, and
> > press RET, I get this error:
> >
> > forward-sexp: Scan error: "Unbalanced parentheses"
> >
> > I cannot indent the line with regex, and error comes up, though I've
> > provided a valid R regular expression. Sometimes it hogs Emacs and I
> > need to kill -s 9 it. =/
> > Any ideas how to mend this?
> > (I'm using  Emacs 23.3.1 with ESS grabbed from SVN repos)
>
> Hi, Aleksandar.  I don't have a solution to your problem, but it appears that I
> don't have the problem on my system.  Please see the appended for details.
>
> Do I have the details correct?
>
> -- Mike
>
> Emacs  : GNU Emacs 23.3.1 (x86_64-redhat-linux-gnu, GTK+ Version 2.24.7)
>  of 2011-11-23 on x86-16.phx2.fedoraproject.org
> Package: ess-mode 5.14
>
> > x <- "foobar"
> > y <- "### abc"
> > fn <- function(x, ...){
> +   re <- "^#{1,6} [[:print:]]+$"
> +   grepl(re, x, ...)
> + }
> > fn(x)
> [1] FALSE
> > fn(y)
> [1] TRUE