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Re: Question about display engine
From: |
martin rudalics |
Subject: |
Re: Question about display engine |
Date: |
Fri, 9 Aug 2019 10:59:33 +0200 |
> You are right, I ignored those use cases, but I still don't think that
> the faces are the right place to flag that. The line extension maybe
> needs to be decided based on another text property. Maybe there are
> already some conditions we can check dynamically. Because adding a flag
> is a bit error prone when there are already some conditions.
>
> There is also the case when the face to use comes from FACE_FOR_CHAR or
> another is merged over that. Or when there is a highlight inside the
> region at the end of the line text... That, in the display engine, I am
> not clear yet how are handled.
OTOH, the display engine could simply delegate some design decisions
to the face specification apparatus and attribute any faults to the
latter.
martin
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