From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 16017 invoked from network); 2 Dec 2021 08:10:16 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 2 Dec 2021 08:10:16 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 8AB7D9CF12; Thu, 2 Dec 2021 18:10:14 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 37FCD9CD65; Thu, 2 Dec 2021 18:07:51 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 674739CD65; Thu, 2 Dec 2021 18:07:49 +1000 (AEST) X-Greylist: delayed 2015 seconds by postgrey-1.36 at minnie.tuhs.org; Thu, 02 Dec 2021 18:07:48 AEST Received: from freefriends.org (freefriends.org [96.88.95.60]) by minnie.tuhs.org (Postfix) with ESMTPS id 948529C78B for ; Thu, 2 Dec 2021 18:07:48 +1000 (AEST) X-Envelope-From: arnold@skeeve.com Received: from freefriends.org (freefriends.org [96.88.95.60]) by freefriends.org (8.14.7/8.14.7) with ESMTP id 1B27Y6XN028899 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 2 Dec 2021 00:34:06 -0700 Received: (from arnold@localhost) by freefriends.org (8.14.7/8.14.7/Submit) id 1B27Y5rJ028898; Thu, 2 Dec 2021 00:34:05 -0700 From: arnold@skeeve.com Message-Id: <202112020734.1B27Y5rJ028898@freefriends.org> X-Authentication-Warning: frenzy.freefriends.org: arnold set sender to arnold@skeeve.com using -f Date: Thu, 02 Dec 2021 00:34:05 -0700 To: clemc@ccc.com, arnold@skeeve.com References: In-Reply-To: User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: [TUHS] Ratfor revived! X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tuhs@tuhs.org Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Hi Clem. Clem Cole wrote: > I am curious why did you decide to use byacc? I did try Bison first. But, for reasons I have not yet fathomed, the code makes use of yyval (not yylval!), which is $$ in yacc productions. Bison does not make that available as a global variable. > To be honest, I had thought Robert Corbett did them both I am not sure of the exact provenance. My understanding is that RMS started with Corbett's yacc and built bison out of it. But I could be totally wrong. Arnold