Re: [xml-dev] what's missing in XML? What's coming?

[ht@inf.ed.ac.uk (Henry S. Thompson)]

Henri Sivonen <hsivonen@iki.fi> writes:

> On Mon, Jan 2, 2012 at 3:18 PM, Rick Jelliffe <rjelliffe@allette.com.au> 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
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       Henry S. Thompson, School of Informatics, University of Edinburgh
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