Re: Debouncing slow mode line constructs (was: Emacs design and architecture. How about copy-on-write?)

[Ihor Radchenko]

Eli Zaretskii <eliz@gnu.org> writes:

>> In any case, it is not a big problem to arrange the warning to be
>> displayed after redisplay finishes.
>
> I don't see a reason to do that with this particular kind of problems.
> We currently don't display anything by default even if Lisp called by
> redisplay signals an error, we just log that in *Messages*.  Why
> should these :eval problems we treated differently?

The aim here is to make users aware that the proposed optimization is
activated. It does not have to be warning specifically. Might be
something else visible enough. Warning was just the first thing that
came to my mind.

-- 
Ihor Radchenko // yantar92,
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