Re: [Patch]: Allow overlay arrows to be inserted before the text at column zero rather than splatting it.

[Eli Zaretskii]

> Date: Mon, 19 Aug 2019 19:28:29 +0000
> Cc: address@hidden
> From: Alan Mackenzie <address@hidden>
> 
> > So how exactly is your implementation different in this regard, and
> > why did you need any new code for it?
> 
> The patch I proposed would have allowed the overlay arrow's mechanism to
> be used to _insert_ "=>" before column zero on a line (rather than
> overwriting the first two characters).

So your original patch does move the line's characters to the right,
is that true?

> The general feeling in this thread is that I should rethink this patch,
> instead using before-string overlay properties.  This would enable me to
> close bug #36832 (The one about not wanting to scroll the compilation
> mode buffer on typing CR) satisfactorally.
> 
> I intend to do this in the coming days.

Thanks.