Subject: Re: bug#52676: 28.0.50; [PATCH] Rationalize window-text-pixel-size

From: Po Lu <[email-masked]>
Date: Tue, 21 Dec 2021 11:38:42 +0800

Eli Zaretskii <[email-masked]> writes:

>> From: Po Lu <[email-masked]>
>> Cc: dick <[email-masked]>,  [email-masked]
>> Date: Tue, 21 Dec 2021 09:36:40 +0800
>> 
>> Eli Zaretskii <[email-masked]> writes:
>> 
>> > This produces no assertions here (with the current master), if that's
>> > what you wanted to hear.
>> 
>> It fails (for example) when there is a line-prefix, and that code is
>> slow.
>
> Can you show a recipe?

I didn't write one, but that's precisely the code we had in
pixel-point-and-height-at-unseen-line at some point, and it didn't work
with overlays with a before-string, line-prefix and wrap-prefix.