Request to backport some screen-update code

[Richard Kimberly Heck]

On 7/10/24 9:19 AM, Jean-Marc Lasgouttes wrote:
> Hello,
>
> The following patches are a backport of the recent patch series which 
> added the possibility of knowing which paragraph metrics have a 
> computed position and then fixed situations where the assertion added 
> in this first patch was triggered.
>
> Adding a new way to assert does not sound good in a stable series, BUT
>
> 1/ the assertion is not active in release code (this is not a real crash)
>
> 2/ I propose to add 3 more patches which addressed the known assertions.
>
> Moreover, compared to the patch in master where a bad position will be 
> returned in release code as -10000, the backported code will return -1 
> as it used to do.
>
> The 3 additional patches are harmless IMO, since all they do is add 
> checks, add update operations, or remove a SinglePar optimization hint.
>
> Riki, would that be OK?

Yes. Should get plenty of testing before release.

Riki