Re: [xml] ATTRIBUTE NAME validation problem

[Daniel Veillard <veillard redhat com>]

On Mon, Jan 28, 2008 at 06:03:15PM +0530, murali wrote:
>    Hi,
>
>
>    W3c XML standard specifies that.
>
> Attribute-list Declaration is:
>
>    [52]
>
>    AttlistDecl
>
>       ::=
>
>    '<!ATTLIST' S Name AttDef* S? '>'
>
>    [53]
>
>    AttDef
>
>       ::=
>
>    S Name S AttType S DefaultDecl
>
>    And
>
>    [5]   Name   ::=   (Letter | '_' | ':') (NameChar)*
>
>
>     According to above productions,
>
>    <!ATTLIST doc : CDATA #IMPLIED>
>
>    is a valid declaration of attribute ":" for element doc.
>
>    But , currently LIBXML2 generates a error when it encounters this.

  Error which one ? i could not reproduce this:

wei:~/XML -> ./xmllint --valid tst.xml 
<?xml version="1.0"?>
<!DOCTYPE foo [
<!ELEMENT foo EMPTY>
<!ATTLIST foo : CDATA #IMPLIED>
]>
<foo/>
wei:~/XML ->

>    Java xml parser also has the same behavior.
>
>    Is  this  the correct behavior?. According to standard the behavior is
>    incorrect.

This could be a normal behaviour, not for XML 1.0 parsing but for the Namespace
in XML support which happen to use ':' as the separator between the namespace
prefix and the namespace local name. See
  http://www.w3.org/TR/REC-xml-names/#ns-qualnames
but I don't see the problem myself

Daniel

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