Re: qualified name argument to startElement

At 9:46 AM +0200 4/28/04, Mikael St=E5ldal wrote:
>What *is* a qualified name then? And where is that specified?

It's defined in section 4 of  the Namespaces specification using BNF:

In XML documents conforming to this=20
specification, some names (constructs=20
corresponding to the nonterminal Name) MUST be=20
given as qualified names, defined as follows:
Qualified Name
[6]  	QName	   ::=3D  	PrefixedName
			| UnprefixedName
[6a]  	PrefixedName	   ::=3D  	Prefix ':' LocalPart
[6b]  	UnprefixedName	   ::=3D  	LocalPart
[7]  	Prefix	   ::=3D  	NCName
[8]  	LocalPart	   ::=3D  	NCName

Bottom line: a qualified name is any XML name=20
that does not contain an initial or trailing=20
colon, or more than one colon, or use a=20
non-namestart character after its only colon.  An=20
element name in a document that does not use=20
namespaces is still a perfectly legal qualified=20
name, provided only that it does not use colons=20
in a way incompatible with the namespaces=20
specification.

Indeed the SAX specification might be clearer if=20
we just called that argument "name" rather than=20
"qName". As it stands, a document that is=20
namespace incompatible due to multiple colons in=20
element names can't really be processed by SAX=20
because such an element has neither a local part=20
nor a qualified name. However, it does have a=20
name, and is well-formed though not namespace=20
well-formed.

-- 

   Elliotte Rusty Harold
   [email protected]
   Effective XML (Addison-Wesley, 2003)
   http://www.cafeconleche.org/books/effectivexml            
   http://www.amazon.com/exec/obidos/ISBN%3D0321150406/ref%3Dnosim/cafeaulai=
tA 


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