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From: gwyn@brl-tgr.ARPA (Doug Gwyn )
Newsgroups: net.lang.c
Subject: Re: Master listing of CPP symbols
Message-ID: <5340@brl-tgr.ARPA>
Date: Tue, 16-Oct-84 19:28:53 EDT
Article-I.D.: brl-tgr.5340
Posted: Tue Oct 16 19:28:53 1984
Date-Received: Thu, 18-Oct-84 00:45:57 EDT
References: <5056@root44.UUCP> <6087@mcvax.UUCP>
Organization: Ballistic Research Lab
Lines: 6

I too like predefined symbols to be defined as themselves
with the appropriate safeguards against recursion looping.
But I don't think
	#define a b
	#define b a
needs to be worried about besides making it illegal.