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=DKIM_SIGNED,DKIM_VALID, HTML_MESSAGE,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 30456 invoked from network); 17 Dec 2020 04:09:03 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 17 Dec 2020 04:09:03 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id B54D19C864; Thu, 17 Dec 2020 14:08:58 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 448F79C7BB; Thu, 17 Dec 2020 14:08:21 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=ccil-org.20150623.gappssmtp.com header.i=@ccil-org.20150623.gappssmtp.com header.b="X5JFF/EQ"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 3F5059C7BB; Thu, 17 Dec 2020 14:08:18 +1000 (AEST) Received: from mail-qk1-f181.google.com (mail-qk1-f181.google.com [209.85.222.181]) by minnie.tuhs.org (Postfix) with ESMTPS id 64E719C7B5 for ; Thu, 17 Dec 2020 14:08:17 +1000 (AEST) Received: by mail-qk1-f181.google.com with SMTP id w79so25275275qkb.5 for ; Wed, 16 Dec 2020 20:08:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccil-org.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=NVfKaVmD3pb0t0oJxuu9hs8Ld+L1cR3zRmwvz3ZU6PI=; b=X5JFF/EQwuca3KBbX2cJT4bZfieTrSZMrDM+l/FMRr57NKsMqqbz+Moehtp+ln5YAz whC06xoH8Oymy+MEcSKf6fSBrL98xi/+/vcFbHndwcoRDuyNoNBnw0hiVjp8z79Iwi0c 20ll9qtlSJxskiOSuKANiWInlPYqhBR1j4+GYPA0/lxZR/91isXRQT1l9ieIp2Wpp/9P EcT4nDyPOTMf2+YtsyG0XQYQiW3GqoSYuhbQM+qNwgzDVc+pH+9qnREMxWxMRUYqNXjK OYH9FIPmHVWCuh/fO8zZSfsEn5KnygwXh6cblIMOWSMWNej2qDAAUvQsWjgm3Rhvql9u yJTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=NVfKaVmD3pb0t0oJxuu9hs8Ld+L1cR3zRmwvz3ZU6PI=; b=jpt5sN8CHNpY/Cvb71stga6IwmdTILzpjRfhb77EjXb7Dq3WvQbDLcaoeTsjNH6CQn qOr3IYBciXCED+IaYwzyeys9y3TWGt92qvnA2VSyLaegRJ+wisHI+35NfaUdcd94HohO sLt7jiB+FBresy6dwwiOjeIiSmA28BvJWbPM23MTHjUGvH1PhNct84UFAyx5nU2IOPkz HpbgHBopvhVgowExWjv16ZfGRyg4844smIzpvdO1/daedkLarHBVNjbRaf92lo36y/4G MHVaHIRrzOd7vxEiF8ggL8yoQ7efCQR7X/GyxdKxj34ZPECEBt0PRHS7+qhtxHcHVc7h f6iA== X-Gm-Message-State: AOAM53096wz1ucnYpULLJOZRaZrs5gYVZSBNaK9IKjWI0dsJopFniAFr DTbRI5i/zWH95S0ik5I1bk5vrYQ+3ZLzW98pQWx4lQ== X-Google-Smtp-Source: ABdhPJwydkCzJt2091LkFl+zXZBwsLdkUXHbh/RwEeuTIg83/PqJYCrvM4NuDSI83m7B4Z9/pottpX+z85eGHLyjH/I= X-Received: by 2002:a37:64c3:: with SMTP id y186mr32678401qkb.118.1608178096324; Wed, 16 Dec 2020 20:08:16 -0800 (PST) MIME-Version: 1.0 References: <88E7F8CE-DC08-44AB-BF12-EFD4C5958950@iitbombay.org> <7e66e5eb-6cea-5403-a2cc-e8d93f038e66@gmail.com> In-Reply-To: <7e66e5eb-6cea-5403-a2cc-e8d93f038e66@gmail.com> From: John Cowan Date: Wed, 16 Dec 2020 23:08:05 -0500 Message-ID: To: Harald Arnesen Content-Type: multipart/alternative; boundary="0000000000002ae2b405b6a1249e" Subject: Re: [TUHS] Were cron and at done at the same time? Or one before the other? 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 main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --0000000000002ae2b405b6a1249e Content-Type: text/plain; charset="UTF-8" On Mon, Dec 14, 2020 at 7:00 PM Harald Arnesen wrote: > Now THATS's a sane language. I have never used it professionally (or > much at all), but I can see it's what Algol-687 should have been. > I studied A68 in detail with a friend of mine in 1976, and I've always admired it greatly. The van Wijngaarden two-level used in the original report was rather opaque, though the revised report was much more readable (and did not only the syntax and the static semantics, but the dynamic semantics as well). Only when I got a hold of an actual A68 textbook years later did I actually see a straight grammar of the language, which got me interested in the language again. Sometimes I wonder what would have happened if A68 had become the medium-level language of Unix, and Pascal had become the language of non-Unix, instead of both of them using C. (The four segment registers of the x86 mirror exactly the way Pascal pointers work: it is statically known whether a pointer points to the stack, the code, the data, or the heap segment.) John Cowan http://vrici.lojban.org/~cowan cowan@ccil.org And it was said that ever after, if any man looked in that Stone, unless he had a great strength of will to turn it to other purpose, he saw only two aged hands withering in flame. --"The Pyre of Denethor" --0000000000002ae2b405b6a1249e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Mon, Dec 14, 2= 020 at 7:00 PM Harald Arnesen <skogtun@gmail.com> wrote:
=C2=A0
Now THATS's a sane language. I have never used it professionally (or much at all), but I can see it's what Algol-687 should have been.

I studied A68 in detail= with a friend of mine in 1976, and I've always admired it greatly.=C2= =A0 The van Wijngaarden two-level used in the original report was rather op= aque, though the revised report was much more readable (and did not only th= e syntax and the static semantics, but the dynamic semantics as well).=C2= =A0 Only when I got a hold of an actual A68 textbook years later did I actu= ally see a straight grammar of the language, which got me interested in the= language again.

Sometimes I wonder what would have happened if A68 had become the = medium-level language of Unix, and Pascal had become the language of non-Un= ix, instead of both of them using C.=C2=A0 (The four segment registers of t= he x86 mirror exactly the way Pascal pointers work: it is statically known = whether a pointer points to the stack, the code, the data, or the heap segm= ent.)


John = Cowan =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0http://vrici.lojban.org/~cowan =C2=A0 =C2=A0 =C2=A0 =C2=A0cowan@ccil.org
And it was said that eve= r after, if any man looked in that Stone,
unless he had a great strength= of will to turn it to other purpose,
he saw only two aged hands witheri= ng in flame. =C2=A0 --"The Pyre of Denethor"



=C2=A0
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