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 12453 invoked from network); 3 Sep 2020 20:36:04 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 3 Sep 2020 20:36:04 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 4A7D59CA66; Fri, 4 Sep 2020 06:36:00 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 675799CA4C; Fri, 4 Sep 2020 06:35:38 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=bsdimp-com.20150623.gappssmtp.com header.i=@bsdimp-com.20150623.gappssmtp.com header.b="LBfZkg31"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id AFAA29CA4C; Fri, 4 Sep 2020 06:35:35 +1000 (AEST) Received: from mail-qv1-f52.google.com (mail-qv1-f52.google.com [209.85.219.52]) by minnie.tuhs.org (Postfix) with ESMTPS id 5AED59CA4B for ; Fri, 4 Sep 2020 06:35:34 +1000 (AEST) Received: by mail-qv1-f52.google.com with SMTP id cr8so1966191qvb.10 for ; Thu, 03 Sep 2020 13:35:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=6PckiRwj1mi7DXPFaRj9ZnLBhc1B+I2wfzs2yxwajXw=; b=LBfZkg31uPXL72lbxg+1wBfbKLuCHUzNvCcVtBJL3VlYe6lELZzbBmzmSt2flaGNzN ReefJMcnB5bHosVPyb8sT6iBbF8Am0mT8f9T8x5Yl7PxlbS7dlrA5T9e9SquxcS88hUM 23NRZbZ0hkT/g3i8o+6uDf62Hie3crA9+obnueyb6zRX51GEPLsuSJUvu7zSpdM1WOJ3 EuDiEe1CjSVpZ2ancOVwM8eGNbKS1So+DqQnOCA/MSihiXFprWqHuznZ13jazq5jrVQ4 kjN+mp3COkFqRio5ieMVhSw0TtpZrRaJ+WTXBLkRCj6j+1SAa2Kqqv8banYjI/dU+aI2 srWA== 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=6PckiRwj1mi7DXPFaRj9ZnLBhc1B+I2wfzs2yxwajXw=; b=tFybpC+s1qefaBaOXzJU8YWo80dCRXedPFhtHqarj1LqSPwJJD3PMGXcKOGRG4TcNv 6JJQDo3W8h6FF3lydO2PNEA4XKnUv+OuXD96M9Alz8IYoL4aMWEejte/wqlSGub6xoDp NpjqnadTPB2J5XZdSaMKQEEegDYuQev4WEBOF93lkKgkIsgjYZMYV1XxfB2laop9ShV/ 0hoF0qSwATcatSTlLJuymjmnSjfWQNTsxdMs/wNiGHP/ircmHRfPLr3+Xg3rHAfZxNti A9MkOpMfWQIa87d5m/pClefF7HtWAGw4//A6AjCtZkSwJfKybofSsmoJoLitF7Lj6Jv8 kBrQ== X-Gm-Message-State: AOAM533dYn26ypkuJk6o4Elhj5HGI9mdr4Oox9Yav4GzHzuhaK7ca47g 7Y7+fABZkP6q+yezd+jWf7PPj2LMdreNyyWZ3C1UpaZMJnUC9Q== X-Google-Smtp-Source: ABdhPJyscZ8JMvBUdSJg24bHy6LJ0r0KGWkEFIkDO+hnZLYIXNS9z+/meVxxwhGDsT8L1+XfrhsvOhyjtEOiqGaBXAk= X-Received: by 2002:a0c:de0e:: with SMTP id t14mr4693483qvk.57.1599165333142; Thu, 03 Sep 2020 13:35:33 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Warner Losh Date: Thu, 3 Sep 2020 14:35:22 -0600 Message-ID: To: Dave Horsfall Content-Type: multipart/alternative; boundary="0000000000009e918d05ae6eb167" Subject: Re: [TUHS] Whence did "XXX" come about? 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: The Eunuchs Hysterical Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --0000000000009e918d05ae6eb167 Content-Type: text/plain; charset="UTF-8" I'll also add that this seemed foreign when I had patches that had XXX in them I submitted to the linux folks in the early 90s. It was second nature in the BSD side of things. But I don't know if that's a Berkeley thing or a Bell Labs thing Berkeley picked up... Warner On Thu, Sep 3, 2020 at 12:11 PM Warner Losh wrote: > The earliest my quick grep could find was 4.0BSD. I didn't find it in this > sense in pwb, but it was a quick grep... > > xxx is used extensively in prior versions, but there it's meaning is > 'placeholder' or 'don't care'. Mostly for /tmp/XXXX files, but also for > things like Jxxx handles all the jump commands or dates of the form 24 Feb > XXXX or stuff like that. > > Warner > > On Thu, Sep 3, 2020 at 11:34 AM Dave Horsfall wrote: > >> For yonks I've been seeing "XXX" as a flag to mean "needs more work" or >> "look at this carefully, just in case" etc, and I use it myself. >> >> Whence did it come about? I think I saw it as early as PWB, but can't be >> sure. >> >> -- Dave, wondering how many nanny-filters he triggered with "XXX" >> > --0000000000009e918d05ae6eb167 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I'll also add that this seemed foreign when I had= patches that had XXX in them I submitted to the linux folks in the early 9= 0s. It was second nature in the BSD side of things. But I don't know if= that's a Berkeley thing or a Bell Labs thing Berkeley picked up...

Warner

On Thu, Sep 3, 2020 at 12:11 PM Warner Losh &= lt;imp@bsdimp.com> wrote:
Th= e earliest my quick grep could find was 4.0BSD. I didn't find it in thi= s sense in pwb, but it was a quick grep...

xxx is = used extensively in prior versions, but there it's meaning is 'plac= eholder' or 'don't care'. Mostly for /tmp/XXXX files, but a= lso for things like Jxxx handles all the jump commands or dates of the form= 24 Feb XXXX or stuff like that.

Warner

<= div class=3D"gmail_quote">
On Thu, Sep= 3, 2020 at 11:34 AM Dave Horsfall <dave@horsfall.org> wrote:
For yonks I've been seeing "XX= X" as a flag to mean "needs more work" or
"look at this carefully, just in case" etc, and I use it myself.<= br>
Whence did it come about?=C2=A0 I think I saw it as early as PWB, but can&#= 39;t be
sure.

-- Dave, wondering how many nanny-filters he triggered with "XXX"=
--0000000000009e918d05ae6eb167--