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Re: Why you should avoid Notation Declarations (byKohsuke

• To: Elliotte Harold <elharo@m...>
• Subject: Re: Why you should avoid Notation Declarations (byKohsuke
• From: ht@i... (Henry S. Thompson)
• Date: Wed, 23 Feb 2005 12:40:38 +0000
• Cc: Razvan MIHAIU <mihaiu@m...>, xml-dev@l...
• In-reply-to: <421C76AD.8010106@m...> (Elliotte Harold's messageof "Wed, 23 Feb 2005 07:27:25 -0500")
• References: <20050222083637.4d0sah84h8o44ss4@w...><f5bk6ozio11.fsf@e...><421C76AD.8010106@m...>
• User-agent: Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Security ThroughObscurity, linux)

Elliotte Harold <elharo@m...> writes:

>> Personally, I don't think the problem NOTATIONs were designed to solve
>> has gone away, and I think they still can be used to solve it.
>
> Would you mind reminding me what that problem was? I've been trying to
> figure that out for about seven years now.

You have a place in your XML document type for (e.g. hex-encoded)
BLOBs to be included or referenced.  Each BLOB in turn should be an
encoding of something using one of a delimited set of more-or-less
standard encodings.  You want to allow or require document authors to
signal which encoding they're using.

The standard example is images, where the encodings might be png, svg,
etc.

Hope this helps,

ht
-- 
 Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                     Half-time member of W3C Team
    2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
            Fax: (44) 131 650-4587, e-mail: ht@i...
                   URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]

• Follow-Ups:
  • Re: Why you should avoid Notation Declarations (by Kohsuke
    • From: Elliotte Harold <elharo@m...>

• References:
  • Why you should avoid Notation Declarations (by Kohsuke Kawaguchi)
    • From: Razvan MIHAIU <mihaiu@m...>
  • Re: Why you should avoid Notation Declarations (byKohsuke Kawaguchi)
    • From: ht@i... (Henry S. Thompson)
  • Re: Why you should avoid Notation Declarations (by KohsukeKawaguchi)
    • From: Elliotte Harold <elharo@m...>

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