RE: Split `simple.el'?

[Drew Adams]

> > I don't immediately
> > understand why would it be a hot spot when looking for fonts.
> 
> I don't either. However, when I profiled it on Fedora 27 (a low-level
> profile, with --enable-profiling) it was a hotspot. Although I am not
> observing the same horrible slowdown that Drew is (that is, first
> display of password-word-equivalents help is noticeably slower than for
> typical variables but it is not *horribly* slow), I'm suspicious of
> free_realized_fontsets, which is why I suggested that he comment it out.

I have no way of commenting it out, AFAIK.
It appears nowhere in the Emacs Lisp sources I have,
and I don't build Emacs.

> We should move password-word-equivalents to an i18n-related file anyway
> (that is, regardless of Drew's problem), as password-word-equivalents
> doesn't belong in simple.el.

That would be great.  It might not solve the real
problem, but it would be helpful for at least some
of us.