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

From: Kévin Le Gouguec <[email-masked]>
Date: Thu, 17 Oct 2019 22:38:34 +0200

Kévin Le Gouguec <[email-masked]> writes:

> +     ,@(unless (version<= emacs-version "27") '(:extend t)))

(I really meant version< here, although version<= works because 27.0.50
is greater than 27)

(It might be less confusing to spell it as
    ,@(when (>= emacs-major-version 27) '(:extend t))
…)