Re: 23.0.60; Emacs hangs during fontification

[Lennart Borgman (gmail)]

Stefan Monnier wrote:
> > I got a bug report through Emacs Wiki (see
> > http://www.emacswiki.org/cgi-bin/wiki/NxhtmlMode) saying that Emacs hangs
> > when a large javascript file is opened. I tested and, yes, it hangs when
> > I try to scroll down a number of times.
>
> > I have attached the javascript.el that I have used. (This is the one that
> > has been considered for inclusion in Emacs.)
>
> My money is on: a regexp pattern with exponential blow up in the
> font-lock-keywords.


Aaron and Karl, what do you think?