Re: Request for pointers and advice: displaying several buffers inside a single window

[Eli Zaretskii]

> From: Ihor Radchenko <address@hidden>
> Cc: address@hidden, address@hidden, address@hidden,
>  address@hidden
> Date: Sat, 11 Apr 2020 02:37:13 +0800
> 
> > So a "segment" is a part of buffer text that starts from some offset,
> > and then goes on until the end of the buffer text?  IOW, the beginning
> > is different, but the end is the same?
> 
> I would rather say that "segment" is a text between two markers in an
> arbitrary buffer.

So there's one more parameter, in addition to the offset?

> > If so, how is this different from narrowing in indirect buffers that
> > we have now?
> 
> The difference is that text in a single buffer must not always be coming
> from a single buffer (possibly narrowed), but can as well be a list of
> "segments". Instead of storing all the buffer text in a single char
> array, the buffer text could be represented by a list of "segments". In
> a normal buffer, this list will just contain a single element pointing
> to the buffer's char array containing its text. However, the list can be
> extended with "segments" from other buffers.

Sounds like a thorough surgery of all the low-level functions that
handle insertion, deletion, replacement etc.

And what do you suggest to do with the gap?