admyc wrote:

> I understand the line:
> 	<?xml version="1.0"?>
> in an XML document to be there to tell the program dealing with the
> document that it is a document written in XML and the version of XML
> it is written in is version 1.0.
> 
> When it comes to DTDs I have seen some examples where this line  ('<?
> xml version="1.0"?>'), is included in the DTD too and I can't
> understand why it is there.
> 
> In an XML document this line is there to declare it as an XML document
> but a DTD is not an XML document so I can not see why it is there.
> 
> I think that this line should not be in a DTD as I can't figure out
> what possible use it is. Can anyone either confirm that this line is
> erroneously included in some DTD examples or tell me what possible use
> it can server in one?


See <URL:http://www.w3.org/TR/REC-xml/#sec-prolog-dtd> about the "text 
declaration" that the external subset can begin with. So
<?xml version="1.0"?>
or
<?xml version="1.0" encoding="UTF-16"?>
is perfectly right at the beginning of an external subset (DTD).

-- 

	Martin Honnen
	http://JavaScript.FAQTs.com/