From owner-freebsd-hackers Wed Mar 26 03:03:43 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id DAA03012 for hackers-outgoing; Wed, 26 Mar 1997 03:03:43 -0800 (PST) Received: from isbalham.ist.co.uk (isbalham.ist.co.uk [192.31.26.1]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id DAA03003 for ; Wed, 26 Mar 1997 03:03:39 -0800 (PST) Received: from gid.co.uk (uucp@localhost) by isbalham.ist.co.uk (8.8.4/8.8.4) with UUCP id LAA20818; Wed, 26 Mar 1997 11:01:00 GMT Date: Wed, 26 Mar 1997 10:55:26 GMT Received: from [194.32.164.2] by seagoon.gid.co.uk; Wed, 26 Mar 1997 10:55:26 GMT X-Sender: rb@194.32.164.1 Message-Id: In-Reply-To: <199703252232.PAA25997@phaeton.artisoft.com> References: <199703251456.OAA00459@shift.lan.awfulhak.org> from "Brian Somers" at Mar 25, 97 02:56:27 pm Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: Terry Lambert , brian@shift.lan.awfulhak.org (Brian Somers) From: Bob Bishop Subject: Re: Backspace = ^H Cc: freebsd-hackers@freebsd.org, andrew@erlenstar.demon.co.uk Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk At 10:32 pm -0000 25/3/97, Terry Lambert wrote: >> The ASCII DEL (0x7f) is an artifact of paper tape[...] > >The ASCII DEL (0x7f) is an artifact of terminal devices which sent >^H for cursor left, ^J for cursor down, ^K for cursor up, and ^L for >cursor right. All 1's as DEL is an artefact of paper tape since the days of 5-hole. See ITU/T Alphabet no. 2, aka ITA or Baudot code. Predates electronic digital computers somewhat. -- Bob Bishop (0118) 977 4017 international code +44 118 rb@gid.co.uk fax (0118) 989 4254 between 0800 and 1800 UK