Subject: Re: bug#13949: 24.4.1; `fill-paragraph' should not always put the buffer as modified

From: Eli Zaretskii <[email-masked]>
Date: Sun, 27 Mar 2016 19:04:34 +0300

> From: Lars Magne Ingebrigtsen <[email-masked]>
> Cc: Óscar Fuentes <[email-masked]>,  [email-masked],
>   [email-masked],  [email-masked]
> Date: Sun, 27 Mar 2016 17:46:53 +0200
> 
> 1) move the gap out of the way

This will call memmove to move a potentially large chunk of text.  Why
not just hash the two parts separately?