Re: Why does C-M-o `split-line' leave trailing space on the old line?

[Eli Zaretskii]

> Date: Fri, 17 Nov 2023 17:40:27 +0000
> From: Alan Mackenzie <acm@muc.de>
> 
> Hello, Emacs.
> 
> C-M-o, on something like:
> 
>      foo bar baz
>             ^
>         point
> 
> will split the line into
> 
>      foo bar
>              baz
> 
> , but will leave a trailing space on the first line.  This is in
> accordance with its documentation in emacs.info, but this peculiarity
> isn't mentioned in the doc string.
> 
> I find this trailing space irritating, as I frequently have to remove it
> by hand.  What is the motivation for this trailing space

It lets you keep typing right after that.