Re: Patch to avoid flicker in Isearch with lazy count

[Juri Linkov]

> I have attached a new patch addressing the issues we discussed.  I have
> also changed the name of the new variable a bit, I hope it's a bit more
> self-explanatory now.

Thanks for the patch, everything looks good.  Now pushed to master.

> I have also tested increasing ‘lazy-highlight-buffer-max-at-a-time’ to
> 1000.  I can't see any loss in responsiveness, except when the old value
> of 20 also makes the editor freeze (for instance when searching for
> ".*a.*a$" in very large buffer).  This is probably a reasonable default.

Indeed, there are corner cases that can make isearch unresponsive.
Feel free to send more patches when your find better defaults.