Differences with side-by-side modification

[tolugboji]

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

On Thursday, October 21st, 2021 at 9:33 AM, <tomas@tuxteam.de> wrote:

> On Thu, Oct 21, 2021 at 09:23:35AM +0000, tolugboji via Users list for the 
> GNU Emacs text editor wrote:
>
> > I want to see differences between two files side-by-side (one on a left 
> > window, the other on a right window).
> >
> > The purpose is not simply see the differences side-by-side, but also to 
> > make modifications on each window
> >
> > and be able to show differences again.
> >
> > Is such a thing possible to do in emacs?
>
> M-x ediff :)
>
> You can diff two files, a file with a buffer... Side by side, top
>
> to bottom, whatever.
>
> There is documentation for the ediff mode. Try C-h i ediff, perhaps it is
>
> installed on your machine. If not (and if you want to suffer the whims
>
> of your browser ;-) it's on the internets [1] too.
>
> Cheers
>
> [1] https://www.gnu.org/software/emacs/manual/html_mono/ediff.html
>
> -   t


Have done `M-x ediff-files` and `M-x ediff-buffers`, but the two files
are put one on top of each other, rather than side-by-side.  What setting
do I need to do to change to side-by-side?