Subject: GNUmakefile mode $X followed by % gets wrong colors

From: 積丹尼 Dan Jacobson <[email-masked]>
Date: Thu, 16 Feb 2017 07:55:21 +0800

In GNUmakefile mode only the $J shows up highlighted:
U=$C%7C$Z%7C$J
whereas in reality all the $x should.