Subject: Re: bug#56682: Fix the long lines font locking related slowdowns

From: Eli Zaretskii <[email-masked]>
Date: Sun, 24 Jul 2022 19:33:31 +0300

> From: Lars Ingebrigtsen <[email-masked]>
> Cc: Stefan Monnier <[email-masked]>,  [email-masked],
>   [email-masked],  [email-masked],  [email-masked]
> Date: Sun, 24 Jul 2022 18:26:38 +0200
> 
> Random thought: Would it make sense to make `put-text-property' (and
> friends) try to ensure that `face' (and `font-lock-face'?) are towards
> the start of the plists?

The display code doesn't care only about 'face', it also cares for
'invisible' and 'display' properties.  And only one of them can be
"the first" ;-)