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Re: SAX Topic 2004-0002: XML 1.1 support

• To: David Megginson <dmeggin@a...>
• Subject: Re: SAX Topic 2004-0002: XML 1.1 support
• From: Elliotte Rusty Harold <elharo@m...>
• Date: Sun, 22 Feb 2004 10:36:11 -0500
• Cc: XML Developers List <xml-dev@l...>,sax-devel@l...
• In-reply-to: <4038BC6D.5040807@a...>
• References: <4038BC6D.5040807@a...>

At 9:27 AM -0500 2/22/04, David Megginson wrote:
>* Topic 2004-0002: XML 1.1 support
>
>- add a read-only feature to check for XML 1.1 support (John Cowan,
>   2004-02-18)
>

I suggest this should be read-write for parsers that support XML 1.1. 
I have a need to sometimes require documents to be 1.0, and right now 
setting that up with a parser that supports 1.0 is a royal PITA.

>- add a read-only property (double) to return the version number of
>   the document being parsed (John Cowan, 2004-02-18)

I suggest that this property be a String rather than double. Several reasons:

1. Long term, it may not always be parseable as a double (1.1.1 anyone?)
2. Double equality comparisons are very tricky. String comparisons 
are much simpler.
3. It's not hard to convert a String to a double if you need that for 
some reason.
4. It's not really possible to make the value of the property a 
primitive double in Java. It would have to be a Double. Better to 
just make it a String, which is a little easier to deal with in code.

-- 

   Elliotte Rusty Harold
   elharo@m...
   Effective XML (Addison-Wesley, 2003)
   http://www.cafeconleche.org/books/effectivexml
   http://www.amazon.com/exec/obidos/ISBN%3D0321150406/ref%3Dnosim/cafeaulaitA

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