GNU bug report logs - #17400
makefile mode wrong colors upon shell ':' command

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From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <jidanni@HIDDEN>
To: bug-gnu-emacs <bug-gnu-emacs@HIDDEN>
Subject: makefile mode wrong colors upon shell ':' command
Date: Sun, 04 May 2014 07:39:53 +0800
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$ cat Makefile
z:
	x||: #why is line blue?
	x||l #OK
$ help :
:: :
    Null command.

    No effect; the command does nothing.

    Exit Status:
    Always succeeds.