Subject: bug#65487: 30.0.50; [PATCH] Fix 'makefile-browser-client' variable initialization

From: Stefan Kangas <[email-masked]>
Date: Thu, 24 Aug 2023 23:01:47 +0200

> (It amazes me how such a glaring mistake could go undetected since
> 1992.)

It might have something to do with this comment in that file:

;; * Consider removing browser mode.  It seems useless.

Also see Bug#58848: "Make makefile browser mode obsolete?".