Re: feature/icomplete-vertical

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Cc: ghe@sdf.org,  spacibba@aol.com,  emacs-devel@gnu.org,
>   casouri@gmail.com,  juri@linkov.net
> Date: Mon, 05 Oct 2020 20:03:32 +0100
> 
> >> I think the easiest way to make this function is to give it a buffer
> >> where text exists as buffer text and truncate-lines is what it it.  Then
> >> it can say exactly where it _would_ cut off.
> >
> > That doesn't work for displaying text with continuation lines, does
> > it?
> 
> I'm not sure what you mean.  Maybe?  Can you provide an example?  The
> idea is to use this buffer to "stage" what needs to be displayed, and
> gather guiding information from that, not necessarily to _do_ that
> displaying on that particular "stage".

If the real buffer will be displayed without truncating lines, then
each physical line might take more than one screen line.  You need to
account for that when you decide where to truncate.

But that is so obvious that I fear I'm missing something important
here.