<?xml version="1.0" encoding="UTF-8"?>
<grammar ns="http://www.w3.org/2000/svg" xml:lang="en"
         xmlns="http://relaxng.org/ns/structure/1.0"
         xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0"
         datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">

  <a:documentation>
    SVG 1.1 Structure Module
    file: svg-structure.rng

    This is SVG, a language for describing two-dimensional graphics in XML.
    Copyright 2001, 2002 W3C (MIT, INRIA, Keio), All Rights Reserved.

    $Id: svg-structure.rng,v 1.1 2003/07/15 07:11:10 dean Exp $
  </a:documentation>

  <a:documentation>
    Structure

        svg, g, defs, desc, title, metadata, symbol, use

    This module declares the major structural elements and their attributes.
  </a:documentation>

  <include href="svg-basic-structure.rng"/>

  <define name="SVG.Structure.class" combine="choice">
    <a:documentation>
      extend SVG.Structure.class
    </a:documentation>
    <choice>
      <ref name="symbol"/>
    </choice>
  </define>

  <a:documentation>
    symbol: Symbol Element
  </a:documentation>

  <define name="SVG.symbol.content">
    <zeroOrMore>
      <choice>
        <ref name="SVG.Description.class"/>
        <ref name="SVG.Animation.class"/>
        <ref name="SVG.Structure.class"/>
        <ref name="SVG.Conditional.class"/>
        <ref name="SVG.Image.class"/>
        <ref name="SVG.Style.class"/>
        <ref name="SVG.Shape.class"/>
        <ref name="SVG.Text.class"/>
        <ref name="SVG.Marker.class"/>
        <ref name="SVG.Profile.class"/>
        <ref name="SVG.Gradient.class"/>
        <ref name="SVG.Pattern.class"/>
        <ref name="SVG.Clip.class"/>
        <ref name="SVG.Mask.class"/>
        <ref name="SVG.Filter.class"/>
        <ref name="SVG.Cursor.class"/>
        <ref name="SVG.Hyperlink.class"/>
        <ref name="SVG.View.class"/>
        <ref name="SVG.Script.class"/>
        <ref name="SVG.Font.class"/>
      </choice>
    </zeroOrMore>
  </define>

  <define name="symbol">
    <element name="symbol">
      <ref name="attlist.symbol"/>
      <ref name="SVG.symbol.content"/>
    </element>
  </define>

  <define name="attlist.symbol" combine="interleave">
    <ref name="SVG.Core.attrib"/>
    <ref name="SVG.Style.attrib"/>
    <ref name="SVG.Presentation.attrib"/>
    <ref name="SVG.GraphicalEvents.attrib"/>
    <ref name="SVG.External.attrib"/>
    <optional>
      <attribute name="viewBox">
        <ref name="ViewBoxSpec.datatype"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="preserveAspectRatio" a:defaultValue="xMidYMid meet">
        <ref name="PreserveAspectRatioSpec.datatype"/>
      </attribute>
    </optional>
  </define>

</grammar>
