[xml] relax ng support in libxml2?

[David Tolpin <dvd davidashen net>]

Hi,

xmllint: using libxml version 20604
   compiled with: DTDValid FTP HTTP HTML C14N Catalog XPath XPointer XInclude Unicode Regexps Automata 
Schemas 

fails to validate

  <stylesheet xmlns:foo="http://example.com/foo"; xmlns="http://www.w3.org/1999/XSL/Transform"; version="1.0">
    <template>
      <foo:x a="b"/>
    </template>
  </stylesheet>

against

  <grammar xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; ns="http://www.w3.org/1999/XSL/Transform"; 
xmlns="http://relaxng.org/ns/structure/1.0"; datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes";>
    <start>
      <element name="stylesheet">
        <attribute name="version"><text/></attribute>
        <zeroOrMore>
          <ref name="template.element"/>
        </zeroOrMore>
      </element>
    </start>
    <define name="template.element">
      <element name="template">
        <ref name="template.model"/>
      </element>
    </define>
    <define name="template.model">
      <zeroOrMore>
        <choice>
          <ref name="template.element"/>
          <ref name="literal-result-element"/>
          <text/>
        </choice>
      </zeroOrMore>
    </define>
    <define name="literal-result-element">
      <element>
        <anyName>
          <except>
            <nsName/>
          </except>
        </anyName>
        <ref name="literal-result-element.atts"/>
        <ref name="template.model"/>
      </element>
    </define>
    <define name="literal-result-element.atts">
      <zeroOrMore>
        <choice>
          <attribute>
            <anyName>
              <except>
                <nsName/>
              </except>
            </anyName>
            <data type="string"/>
          </attribute>
        </choice>
      </zeroOrMore>
    </define>
  </grammar>


complaining, that

  /home/dvd/work/PreTI/CImpl/admon.xsl:5: element x: Relax-NG validity error : Did not expect element x there
  /home/dvd/work/PreTI/CImpl/admon.xsl fails to validate

David Tolpin
http://davidashen.net/