bug#25751: Query replace lazy highlighting

[Antoine Levitt]

(apologies if this has been posted before, but I can't find any
references)

When query-replacing and confirming, matches get unhighlighted, and then
highlighted again, which is very distracting. E.g. open a file, M-% a ->
a, y, other matches of a get unhighlighted then highlighted again.

(setq lazy-highlight-initial-delay 0) (shouldn't it be default by the
way, at least on graphical displays?) reduces the problem but does not
eliminate it (it produces small flickers). There's
lazy-highlight-cleanup, but that disables cleanup completely, which I
don't want.

Can't this be eliminated?

Best,
Antoine