Subject: bug#42112: 27.0.91; whitespace-empty face not extended beyond EOL

From: Eli Zaretskii <[email-masked]>
Date: Sun, 28 Jun 2020 21:17:19 +0300

> From: "Basil L. Contovounesios" <[email-masked]>
> Cc: [email-masked]
> Date: Sun, 28 Jun 2020 18:34:56 +0100
> 
> Is there any practical difference or preference between giving
> whitespace-empty an :extend attribute vs making it inherit from a face
> with an :extend attribute?

Inheritance makes display slightly slower (due to the need to chase
the inheritance chain).  And frankly I don't see why we would need to
use inheritance here in the first place.