• To: dsdl-comment@d...
• Subject: Re: DSDL part 9: new namespace declarations not needed as part of DTD syntax?
• From: Ronald Bourret <rpbourret@r...>
• Date: Fri, 14 Jun 2002 02:06:25 -0700
• Cc: xml-dev@l...
• References: <200206140340.XAA23990@m...> <3D09A3D0.9C3F0FAF@s...> <010701c21380$1a771a70$4bc8a8c0@A...>

Rick Jelliffe wrote:

> Is there any need for explicit namespace declarations in the DTD at all?
> 
> Why not just assign whole element sets to a namespace, in the
> external DSDL framework, and leave the syntax of DTDs exactly as it is?

So how do I declare content models that use elements from more than one
set, such as:

   <!ELEMENT a:A (b:B, c:C)>

Do I just use prefixes in the syntax and leave the prefix declarations
to some external mechanism, as your "typicalPrefix" attribute seems to
imply? Or do I simply not declare such elements with a DTD?

> There is
> probably some sweet spot with DTDs where if you have too many
> kinds of declarations it puts more people off than it attracts:

Which I think John's suggestion is close to hitting. I'd guess it's:

   DTDs + namespaces + simple element types

-- Ron

• References:
  • Re: [dsdl-comment] DSDL: use cases: namespace declaration notation
    • From: John Cowan <jcowan@r...>
  • Re: [dsdl-comment] Re: DSDL: use cases: namespace declaration notation
    • From: james anderson <james.anderson@s...>
  • DSDL part 9: new namespace declarations not needed as part of DTD syntax?
    • From: "Rick Jelliffe" <ricko@a...>

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