Re: Emacs awfully slow on some files

[Eli Zaretskii]

> From: Miles Bader <address@hidden>
> Date: Fri, 14 Aug 2009 17:43:11 +0900
> Cc: address@hidden
> 
> David Kastrup <address@hidden> writes:
> >     cache-long-line-scans is a variable defined in `C source code'.
> >     Its value is nil
> ...
> > However, this variable has defaulted to nil for quite a long time.  I
> > should be surprised if setting it non-nil would not tend to exhibit
> > bugs.
> 
> I tried it last year sometime; emacs crashed quite quickly...

A bug report is in order, IMO.