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 29841 invoked from network); 23 Jan 2022 22:27:31 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 23 Jan 2022 22:27:31 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 4EC859D57D; Mon, 24 Jan 2022 08:27:27 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id E12ED9D52E; Mon, 24 Jan 2022 08:27:04 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 28F989D52C; Mon, 24 Jan 2022 08:27:00 +1000 (AEST) Received: from darkstar.fourwinds.com (fourwinds.com [63.64.179.162]) by minnie.tuhs.org (Postfix) with ESMTPS id BA4A59D52B for ; Mon, 24 Jan 2022 08:26:59 +1000 (AEST) Received: from darkstar.fourwinds.com (localhost [127.0.0.1]) by darkstar.fourwinds.com (8.16.1/8.15.2) with ESMTP id 20NMQxTV425602 for ; Sun, 23 Jan 2022 14:26:59 -0800 Received: from darkstar.fourwinds.com (jon@localhost) by darkstar.fourwinds.com (8.16.1/8.15.2/Submit) with ESMTP id 20NMQwsJ425599 for ; Sun, 23 Jan 2022 14:26:59 -0800 Message-Id: <202201232226.20NMQwsJ425599@darkstar.fourwinds.com> From: Jon Steinhart To: tuhs@minnie.tuhs.org In-reply-to: References: <20211231234039.GU31637@mcvoy.com> <20220101005605.GL75481@eureka.lemis.com> <20220101031511.GB8135@mcvoy.com> <20220110203300.GY3441@mcvoy.com> <4409b93407ed2118@orthanc.ca> Comments: In-reply-to Douglas McIlroy message dated "Sat, 22 Jan 2022 11:02:10 -0500." MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <422889.1642967138.1@darkstar.fourwinds.com> Date: Sun, 23 Jan 2022 14:26:58 -0800 X-JON-SPAM: local delivery Subject: Re: [TUHS] troff environments, traps, and diversions (was: TeX and groff) 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: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Thinking about it some more, I think that it would help to talk about traps as interrupts or events. That works well with thinking about macros as functions as traps essentially fire of interrupt handlers which are macros.