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

[Eli Zaretskii <eliz@gnu.org>]

> From: Ihor Radchenko <yantar92@gmail.com>
> Cc: casouri@gmail.com, dim1212k@gmail.com, adam@alphapapa.net,
>  emacs-devel@gnu.org
> Date: Sat, 11 Apr 2020 01:46:59 +0800
> 
> > I don't think I understand what you mean by "segments of text".
> > Buffer text is just a long C array of 'char' in Emacs.
> 
> I mean that buffer text in indirect buffer is a pointer to the first
> element of the C array containing the text in master buffer (or
> something similar). Similarly, the pointer can be created to nth element
> of array. Thus, "segment" of text starting from some non-zero position
> in the master buffer can be automatically synchronised with the master
> buffer. 

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?

If so, how is this different from narrowing in indirect buffers that
we have now?