Re: Temporarily select-window, without updating mode-line face and cursor fill?

[Stefan Monnier]

> However, if I ramp up bench-run-times to 100000 I start seeing GC hits,
> and then nlinum--line-number-at-pos can be up to 10 times slower
> instead...

I think the approach proposed by JD Smith to use modified-ticks rather
than `after-change-functions` to detect changes should make it possible
to have a replacement that doesn't allocate memory at all (except on the
first use in a buffer to create the cache).


        Stefan