<?xml version="1.0" encoding="iso-8859-1"?>
<!-- Forms Module -->
<!-- Unlike the DTD implementation, this builds on the basic-form module --><grammar ns="http://www.w3.org/1999/xhtml" xmlns="http://relaxng.org/ns/structure/1.0">

<include href="basic-form.rng.xml">

  <define name="select">
    <element name="select">
      <ref name="select.attlist"/>
      <oneOrMore>
	<choice>
	  <ref name="option"/>
	  <ref name="optgroup"/>
	</choice>
      </oneOrMore>
    </element>
  </define>

</include>

<define name="form.attlist" combine="interleave">
  <optional>
    <attribute name="accept-charset">
      <ref name="Charsets.datatype"/>
    </attribute>
  </optional>
  <optional>
    <attribute name="accept">
      <ref name="ContentTypes.datatype"/>
    </attribute>
  </optional>
</define>

<define name="input.attlist" combine="interleave">
  <optional>
    <attribute name="disabled">
      <value>disabled</value>
    </attribute>
  </optional>
  <optional>
    <attribute name="readonly">
      <value>readonly</value>
    </attribute>
  </optional>
  <optional>
    <attribute name="alt"/>
  </optional>
  <optional>
    <attribute name="tabindex">
      <ref name="Number.datatype"/>
    </attribute>
  </optional>
  <optional>
    <attribute name="accept">
      <ref name="ContentTypes.datatype"/>
    </attribute>
  </optional>
</define>

<define name="InputType.class" combine="choice">
  <choice>
    <value>image</value>
    <value>button</value>
  </choice>
</define>

<define name="select.attlist" combine="interleave">
  <optional>
    <attribute name="disabled">
      <value>disabled</value>
    </attribute>
  </optional>
  <optional>
    <attribute name="tabindex">
      <ref name="Number.datatype"/>
    </attribute>
  </optional>
</define>

<define name="option.attlist" combine="interleave">
  <optional>
    <attribute name="disabled">
      <value>disabled</value>
    </attribute>
  </optional>
  <optional>
    <attribute name="label">
      <ref name="Text.datatype"/>
    </attribute>
  </optional>
</define>

<define name="optgroup">
  <element name="optgroup">
    <ref name="optgroup.attlist"/>
    <oneOrMore>
      <ref name="option"/>
    </oneOrMore>
  </element>
</define>

<define name="optgroup.attlist">
  <ref name="Common.attrib"/>
  <optional>
    <attribute name="disabled">
      <value>disabled</value>
    </attribute>
  </optional>
  <attribute name="label">
    <ref name="Text.datatype"/>
  </attribute>
</define>

<define name="textarea.attlist" combine="interleave">
  <optional>
    <attribute name="disabled">
      <value>disabled</value>
    </attribute>
  </optional>
  <optional>
    <attribute name="readonly">
      <value>readonly</value>
    </attribute>
  </optional>
  <optional>
    <attribute name="tabindex">
      <ref name="Number.datatype"/>
    </attribute>
  </optional>
</define>

<define name="fieldset">
  <element name="fieldset">
    <ref name="fieldset.attlist"/>
    <ref name="legend"/>
    <ref name="Flow.model"/>
  </element>
</define>

<define name="fieldset.attlist">
  <ref name="Common.attrib"/>
</define>

<define name="button">
  <element name="button">
    <ref name="button.attlist"/>
    <ref name="Flow.model"/>
  </element>
</define>

<define name="button.attlist">
  <ref name="Common.attrib"/>
  <optional>
    <attribute name="name"/>
  </optional>
  <optional>
    <attribute name="value"/>
  </optional>
  <optional>
    <attribute name="type">
      <choice>
        <value>button</value>
        <value>submit</value>
        <value>reset</value>
      </choice>
    </attribute>
  </optional>
  <optional>
    <attribute name="disabled">
      <value>disabled</value>
    </attribute>
  </optional>
  <optional>
    <attribute name="tabindex">
      <ref name="Number.datatype"/>
    </attribute>
  </optional>
  <optional>
    <attribute name="accesskey">
      <ref name="Character.datatype"/>
    </attribute>
  </optional>
</define>

<define name="legend">
  <element name="legend">
    <ref name="legend.attlist"/>
    <ref name="Inline.model"/>
  </element>
</define>

<define name="legend.attlist">
  <ref name="Common.attrib"/>
  <optional>
    <attribute name="accesskey">
      <ref name="Character.datatype"/>
    </attribute>
  </optional>
</define>

<define name="Form.class" combine="choice">
  <ref name="fieldset"/>
</define>

<define name="Formctrl.class" combine="choice">
  <ref name="button"/>
</define>

</grammar>