(defface notmuch-message-summary-face
`((((class color) (background light))
,@(and (>= emacs-major-version 27) '(:extend t))
(defface notmuch-message-summary-face
`((((class color) (background light))
,@(and (>= emacs-major-version 27) '(:extend t))
(((class color) (background dark))
,@(and (>= emacs-major-version 27) '(:extend t))
(((class color) (background dark))
,@(and (>= emacs-major-version 27) '(:extend t))