On 1 Dec 2015 6:49 pm, "Mark Oteiza" <mvoteiza@udel.edu> wrote:
> I think the performance hit of char-folding is a good reason to disable
> it. (Perhaps it's much worse for me since this emacs is not optimized.)

I honestly didn't notice a performance hit, and I compile without
optimizations. Is there a particular search-term/buffer-contents that lead
to your problem?