Re: Question about display engine

[Juri Linkov]

>>- extend highlighting to the window edge as most faces do now;
>>- highlight only to the end of lines as underline does now;
>>- limit highlighting to a fixed customizable column like
>>  display-fill-column-indicator defaulting to fill-column.
>
> Up to now we are only dealing with the first two cases... The third one
> will add even more complexity (and corner cases when dealing with dfci)
> for a very low gain (in my opinion) because I don't find yet any use
> case for it. I am not telling it is impossible, just unneeded.
>
> If you have a good use case for it, please share it.

The third one is for purely aesthetic reasons: a single window on a very
wide frame usually is full of ribbons (like on the first screenshot)
whereas for example, the second screenshot (that was edited) shows
how limiting face scope by fill-column is more visually pleasant.

1_window-edge-faces.png
Description: PNG image

2_fill-column-faces.png
Description: PNG image