Subject: bug#37774: 27.0.50; new :extend attribute broke visuals of all themes and other packages

From: Eli Zaretskii <[email-masked]>
Date: Thu, 17 Oct 2019 19:39:11 +0300

> From: Michael Albinus <[email-masked]>
> Cc: [email-masked],  [email-masked],  [email-masked]
> Date: Thu, 17 Oct 2019 18:18:23 +0200
> 
> > What is a "rectangular context"?  I'm not sure I understand the exact
> > meaning of that.
> 
> I mean the use cases shown by Andrey Orst. Maybe "rectangular context"
> is wrong wording; I thought it is obvious what's meant.

Ah, okay.  I thought you had more to add to that.