[gobo-eiffel-develop] Possible bug in XM_DEFAULT_ATTRIBUTE_FILTER

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Hello Franck,

I'm having a problem with a bunch of the W3C XSLT tests involving embedded 
stylesheets and a DTD.

It looks like XM_DEFAULT_ATTRIBUTE_FILTER is at fault.

The reason I say this is I see calls to forward_attribute where a_ns and 
a_prefix are both Void, a_local = "xsl", and a_value = 
"http://www.w3.org/1999/XSL/Transform" - this looks wrong - I assume 
a_prefix should be set to xmlns.

Here is the complete file, including DTD internal subset.

Can you verify that the bug is in this class, and if so, how about a fix (or 
a sketch of how to do it)?

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="#style1"?>
<!DOCTYPE doc [
<!ELEMENT doc (#PCDATA | head | body)*>
<!ATTLIST doc
		  xmlns:xsl CDATA #FIXED "http://www.w3.org/1999/XSL/Transform"
		  xsl:xpath-default-namespace CDATA #FIXED "http://example.org/ibm">

<!ELEMENT head (#PCDATA | xsl:stylesheet)*>
<!ELEMENT body (#PCDATA | elem)*>

<!ELEMENT xsl:stylesheet (#PCDATA | xsl:template)*>
<!ATTLIST xsl:stylesheet
		  id ID #REQUIRED
		  xmlns:xsl CDATA #FIXED "http://www.w3.org/1999/XSL/Transform"
		  version NMTOKEN #REQUIRED>

<!ELEMENT xsl:template (#PCDATA | out)*>
<!ATTLIST xsl:template  match CDATA #IMPLIED>

<!ELEMENT out (#PCDATA | xsl:for-each )*>

<!ELEMENT xsl:for-each (#PCDATA | xsl:copy-of )*>
<!ATTLIST xsl:for-each  select CDATA #IMPLIED>

<!ELEMENT xsl:copy-of (#PCDATA)*>
<!ATTLIST xsl:copy-of select CDATA #IMPLIED>

<!ELEMENT elem (#PCDATA | item)*>
<!ELEMENT subitem (#PCDATA)*>

<!ELEMENT item (#PCDATA | subitem)*>
<!ATTLIST item attr CDATA #IMPLIED
		  xmlns CDATA #IMPLIED>
]>

<doc xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
xsl:xpath-default-namespace="http://example.org/ibm" >
  <head>
	<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
version="2.0"
                id="style1">

	<!-- FileName: embed20_005 -->
	<!-- Document: http://www.w3.org/TR/xslt20 -->
	<!-- DocVersion: 20051103 -->
	<!-- Section: 3.11 Embedded Stylesheet Modules -->
	<!-- Purpose: Test case to verify that in a embedded standard stylesheet 
module, standard attribute
				 (xsl:xpath-default-namespace) appearing on ancestors of the outermost 
element of
				 the stylesheet module has no effect. -->

		<xsl:template match="/" >
  			<out>
    			<xsl:for-each select="doc/body/elem/item"  >
					<xsl:copy-of select="." />
				</xsl:for-each>
  			</out>
		</xsl:template>
	</xsl:stylesheet>
  </head>

  <body>
	<elem>
		<item attr="atr1" xmlns="http://example.org/ibm">
			<subitem>a</subitem>
		</item>
		<item attr="atr2" xmlns="http://example.org/ibm">
			<subitem>b</subitem>
		</item>
		<item attr="atr3"><subitem>c</subitem></item>
	</elem>
  </body>

<!-- Copyright IBM Corp. 2006 -->

</doc>

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