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  • From: ht@i... (Henry S. Thompson)
  • To: Henri Sivonen <hsivonen@i...>
  • Date: Wed, 04 Jan 2012 10:25:42 +0000

Henri Sivonen <hsivonen@i...> writes:

> On Mon, Jan 2, 2012 at 3:18 PM, Rick Jelliffe <rjelliffe@a...> wrote:
>> 2) Clearer story on how to use the ISO/MathML entity sets along with XML
>> Schemas, or with no schemas. I often hear "XML Schemas does not support
>> entities, so I cannot use entities with XML Schemas" or vice versa.
>> Preferably, build the default mappings of the entities into XML.
>
> Adding entities to XML without DTDs would break the compatibility of
> new documents with old parsers. I think entities alone are not worth
> such a discontinuity.

Unless you mean "without DOCTYPEs", isn't this exactly what the
current HTML 5 spec [1] does?  That is, it effectively provides a
catalog which conformant user agents are required to use which maps a
range of PUBLIC identifiers onto a data: URI which contains all the
HTML and MATHML entity declarations.

ht

[1] http://www.w3.org/TR/2011/WD-html5-20110525/the-xhtml-syntax.html#parsing-xhtml-documents
-- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 650-4587, e-mail: ht@i...
                       URL: http://www.ltg.ed.ac.uk/~ht/
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