From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from localhost by hawkwind.utcs.utoronto.ca with SMTP id <23984>; Mon, 5 Feb 1996 20:28:49 -0500
To:	rc
Subject: A mismatch between Byron's rc and Plan 9 rc:
Date:	Mon, 5 Feb 1996 20:28:33 -0500
From:	Chris Siebenmann <cks>
Message-Id: <96Feb5.202849est.23984@hawkwind.utcs.utoronto.ca>

From:	td@plan9.att.com
To:	9fans@cse.psu.edu
Date:	Mon, 5 Feb 1996 13:11:58 -0500
Subject: re: rc syntax bug

Stephen Hemminger <postman.ncube.com!sch> thinks there's a bug:
>Isn't it surprising:
>	if (! ~ () ()) echo 'i am a bug'

I'm sorry, what do you think the bug is?
The syntax is obviously ok, and the result is exactly what
I intended.  A match against an empty list always fails, the
definition being that at least one alternative must
succeed for the match to succeed.