From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MIME_QP_LONG_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: from minnie.tuhs.org (minnie.tuhs.org [50.116.15.146]) by inbox.vuxu.org (Postfix) with ESMTP id 2BADB25750 for ; Fri, 10 May 2024 08:16:21 +0200 (CEST) Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 80E564334F; Fri, 10 May 2024 16:16:15 +1000 (AEST) Received: from pb-smtp1.pobox.com (pb-smtp1.pobox.com [64.147.108.70]) by minnie.tuhs.org (Postfix) with ESMTPS id B71634334C for ; Fri, 10 May 2024 16:16:06 +1000 (AEST) Received: from pb-smtp1.pobox.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id AB8A92C8A6 for ; Fri, 10 May 2024 02:16:05 -0400 (EDT) (envelope-from davida@pobox.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=pobox.com; h= content-type:content-transfer-encoding:from:mime-version:date :subject:message-id:to; s=sasl; bh=q5FtkfYQ10959MTjy400GyZrP0Trt 7zcL3QePM8F/5c=; b=mZ4yV84lugzBXSdNoRvVDp60yShXFgPFHoNUczQfN77x3 7VO0ncIEIGE1LqPHJP9G/W2y9dZ/vIa5LcjkWdWWetOaRXtr3VGHZTufbCNalAfR 3doYFBWyHROel1/SqB4VG4bJSVqkVZug3f/VUXO517bsd6pPU07jPrQbwnXhr4= Received: from pb-smtp1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id A35812C8A4 for ; Fri, 10 May 2024 02:16:05 -0400 (EDT) (envelope-from davida@pobox.com) Received: from smtpclient.apple (unknown [203.132.93.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pb-smtp1.pobox.com (Postfix) with ESMTPSA id DDA232C8A3 for ; Fri, 10 May 2024 02:16:04 -0400 (EDT) (envelope-from davida@pobox.com) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: David Arnold Mime-Version: 1.0 (1.0) Date: Fri, 10 May 2024 16:15:52 +1000 Message-Id: <1FECD6DE-3384-406F-8897-8D7C2DAAF636@pobox.com> To: tuhs@tuhs.org X-Mailer: iPhone Mail (20H330) X-Pobox-Relay-ID: C83E04A2-0E94-11EF-A2F3-78DCEB2EC81B-29049682!pb-smtp1.pobox.com Message-ID-Hash: UEYGFOYFOAQD5PX5JNAHBAZV4JK3EM2Q X-Message-ID-Hash: UEYGFOYFOAQD5PX5JNAHBAZV4JK3EM2Q X-MailFrom: davida@pobox.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] nl section delimiters List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: nl(1) uses the notable character sequences =E2=80=9C\:\:\:=E2=80=9D, =E2=80=9C= \:\:=E2=80=9D, and =E2=80=9C\:=E2=80=9D to delimit header, body, and trailer= sections within its input.=20 I wondered if anyone was able to shed light on the reason those were adopted= as the defaults? I would have expected perhaps something compatible with *roff (like, .\=E2=80= =9D something).=20 FreeBSD claims nl first appeared in System III (although it previously claim= ed SVR2), but I haven=E2=80=99t dug into the implementation any further.=20 Thanks in advance, d=