Subject: bug#27842: GNUmakefile mode blues vs. no blues

From: 積丹尼 Dan Jacobson <[email-masked]>
Date: Thu, 27 Jul 2017 06:48:15 +0800

GNUmakefile mode shows this makefile as

M:/dev/null /dev/zero
# Dollar sign not blue:
	: $?
	: $+
	: $^
# Both not blue:
	: $|
# Both blue:
	: $*

(Just trying the ones I found on (info "(make) Automatic Variables").)