[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Declaring the XML namespace
Michael Kay wrote: > > This is probably the kind of thing that only interests conformance > testers, but: > > With the following XML document, I get three different results from > different parsers. > > <doc xmlns:xml="http://www.w3.org/XML/1998/namespace"/> > > Crimson rejects it. > AElfred accepts it, and doesn't notify the namespace to the SAX2 > ContentHandler. > Piccolo accepts it, and does notify the namespace to the SAX2 > ContentHandler. > > Any opinions on which is right? > cl-xml accepts and reports: ? (in-package "XML-PARSER") #<Package "XML-PARSER"> ? *version* "0.918+" ? (parse-document "<doc xmlns:xml='http://www.w3.org/XML/1998/namespace'/>") #<DOC-NODE <no uri> #x8C7E656> 9 ? (describe (root *)) #<ELEM-NODE {}doc 1 #x8C772C6> Class: #<STANDARD-CLASS ELEM-NODE> Wrapper: #<CCL::CLASS-WRAPPER ELEM-NODE #x8BDC5DE> Instance slots DOCUMENT: #<DOC-NODE <no uri> #x8C765A6> ORDINALITY: 1 PARENT: NIL DEF: NIL NAME: {}doc CHILDREN: NIL ATTRIBUTES: NIL NAMESPACES: (#<NS-NODE {xmlns}xml -> "http://www.w3.org/XML/1998/namespace" #x8C77256>) XML-QUERY-DATA-MODEL::VALID: #<Unbound> ? i do not understand the prescription, that the "xml" prefix is, by definition, bound to "http://www.w3.org/XML/1998/namespace" to preclude the presense of a binding to that effect. furthermore, i read the recommendation as not precluding that the prefix may be bound to anything else. whereby cl-xml also accepts ? (parse-document "<doc xmlns:xml='http://www.w3.org/XML/0000/namespace'/>") #<DOC-NODE <no uri> #x8C88DFE> 9 ? which supports distinctions, such as ? (eq (name (root (parse-document "<xml:lang xmlns:xml='http://www.w3.org/XML/1998/namespace'/>"))) (name (root (parse-document "<xml:lang xmlns:xml='http://www.w3.org/XML/1998/namespace'/>")))) T v/s ? (eq (name (root (parse-document "<xml:lang xmlns:xml='http://www.w3.org/XML/1998/namespace'/>"))) (name (root (parse-document "<xml:lang xmlns:xml='http://www.w3.org/XML/0000/namespace'/>")))) NIL ? but i suppose opinions may differ.
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