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Re: Notations for datatypes

• To: jonathan.robie@d... (Jonathan Robie)
• Subject: Re: Notations for datatypes
• From: John Cowan <jcowan@r...>
• Date: Mon, 30 Sep 2002 08:24:19 -0400 (EDT)
• Cc: jeni@j... (Jeni Tennison), jcowan@r... (John Cowan), xml-dev@l...
• In-reply-to: <5.1.0.14.0.20020930074505.081c0d68@n...> from "Jonathan Robie" at Sep 30, 2002 08:04:29 AM

Jonathan Robie scripsit:

> 1. How do you declare the types of attributes?

XML didn't inherit that: the SGML way is:

	<!ATTLIST foo
		bar DATA baz #IMPLIED>

where "baz" is a declared notation.  It would be easy to recreate this.

> 2. How do you define common libraries of data types using notations that 
> are shared across schemas?

The NOTATION declaration maps a notation *name*, as used in attributes
of type NOTATION, to a URI.

> 3. How would using a syntax based on notations simplify the design of the 
> schema language as a whole - what difference would it make?

Well, trivially, you wouldn't need both simple types and notations! ;-)

-- 
John Cowan
        jcowan@r...
                I am a member of a civilization. --David Brin

• References:
  • Notations for datatypes
    • From: Jonathan Robie <jonathan.robie@d...>

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