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Re: Question about display engine

From: martin rudalics
Subject: Re: Question about display engine
Date: Tue, 13 Aug 2019 10:17:52 +0200

> ... the face used on the "rest of the line" should be computed by
> merging the various faces that apply to the corresponding LF character
> but where the new `extend-to-end-of-line` property is obeyed
> (i.e. a face is skipped if that property is nil).  IOW the
> extend-to-end-of-line property is applied *during* merging rather than
> after it.

That's the idea.  The display engine would then simply have to look at
a single bit to tell whether to extend a specific attribute to the end
of the line or not.

> Most likely this can't be mapped to the way things are done, tho.

Most likely the solution will be disappointingly simple, once Eli
found it.


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