bug#31888: 27.0.50; Segmentation fault in replace-buffer-contents

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Cc: monnier@IRO.UMontreal.CA,  acm@muc.de,  31888@debbugs.gnu.org,  
> k.michal@zoho.com
> Date: Sat, 30 Jun 2018 09:33:48 +0100
> 
>    The point here is that if modification hook sees the whole file as
>    changed, Eglot is just as inneficient as the server.

Not the whole file, the whole narrowed region.  But anyway, I posted a
followup that should do what you want, I think.

> Thanks very much for the optimization efforts, I'll try to do some
> benchmarks once they are in master (they aren't yet right?)

They are on emacs-26, but you could just apply them by hand...