[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: ASCII control characters in XML
> Also, you could define appropriate unparsed entities and then refer to them > by attribute <char val="x0007"/> (having previously defined x0007 to be an > unparsed entity and val to be an entity attribute). Or, just define the semantics of the DTD (as usual, using a natural language) to be that the "val" attribute of the "char" element is a numeric string giving a UCS-4 character value. In any case you'll need to add a semantic interpretation ... either that the entity is single character entity, or that it's a number denoting a character. I used the latter, since it's a simpler rule to implement. You get a similar need if you must transmit a UNICODE surrogate, which can't appear in XML (although it can appear in a UTF-16 or UTF-8 encoding of XML, as part of a pair) or any other character outside the range allowed by XML (which maxes out at hex 00.10.00.00). - Dave xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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