Tweak the face of unknown backend indicators in flymake

* lisp/progmodes/flymake.el (flymake--mode-line-format): Don't put
a face on the the "?" unknown backend indicator, because that
looks odd in inactive windows (bug#44689).

diff --git a/lisp/progmodes/flymake.el b/lisp/progmodes/flymake.el
index b286208fff95e0cf65e67503d75c3491ea026947..efa7b2ffbf193be764968561c1aadfa9079b0a96 100644 (file)
--- a/lisp/progmodes/flymake.el
+++ b/lisp/progmodes/flymake.el
@@ -1224,7 +1224,7 @@ default) no filter is applied."
                       map))
       ,@(pcase-let ((`(,ind ,face ,explain)
                      (cond ((null known)
-                            '("?" mode-line "No known backends"))
+                            '("?" nil "No known backends"))
                            (some-waiting
                             `("Wait" compilation-mode-line-run
                               ,(format "Waiting for %s running backend(s)"