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001508_daemon _Wed Jun 30 16:49:58 1993.msg
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Date: Wed, 30 Jun 93 17:11:40 +0200
From: Tim Berners-Lee <timbl@www3.cern.ch>
Message-Id: <9306301511.AA04770@www3.cern.ch>
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To: Dave_Raggett <dsr@hplb.hpl.hp.com>
Subject: Re: HTML+ and browser functionality
Cc: sanders@bsdi.com, www-talk@nxoc01.cern.ch
Reply-To: timbl@nxoc01.cern.ch
>p.s. Tim's spec seems to have the attribute named "REV" but "REL"
seems
> more appropriate. Any comments anyone?
The HTML spec has *both* REL and REV. Both attributes can be lists
of relationships. The occurence of a relationship in the REV
(reverse) list indicates a relationship in th ereverse direction.
Otherwise, you have to have a convention for indicating logically
reverse relationships (eg is-child; has-child) or some
out of band system for knowing that
A is-parent-of B
implies and is implied b by
B is-child-of A
Is there any document where REV is present withouit REL?
Tim