<?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 Marker Module
    file: svg-marker.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-marker.rng,v 1.1 2003/07/15 07:11:10 dean Exp $
  </a:documentation>

  <a:documentation>
    Marker

        marker

    This module declares markup to provide support for marker.
  </a:documentation>

  <a:documentation>
    Datatypes
  </a:documentation>

  <define name="MarkerValue.datatype">
    <data type="string"/>
  </define>

  <a:documentation>
    SVG.Marker.attrib
  </a:documentation>

  <define name="SVG.Marker.extra.attrib">
    <empty/>
  </define>

  <define name="SVG.Marker.attrib" combine="interleave">
    <optional>
      <attribute name="marker-start">
        <ref name="MarkerValue.datatype"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="marker-mid">
        <ref name="MarkerValue.datatype"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="marker-end">
        <ref name="MarkerValue.datatype"/>
      </attribute>
    </optional>
    <ref name="SVG.Marker.extra.attrib"/>
  </define>

  <a:documentation>
    SVG.Marker.class
  </a:documentation>

  <define name="SVG.Marker.extra.class">
    <notAllowed/>
  </define>

  <define name="SVG.Marker.class" combine="choice">
    <choice>
      <ref name="marker"/>
      <ref name="SVG.Marker.extra.class"/>
    </choice>
  </define>

  <a:documentation>
    marker: Marker Element
  </a:documentation>

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

  <define name="attlist.marker" combine="interleave">
    <ref name="SVG.Core.attrib"/>
    <ref name="SVG.Style.attrib"/>
    <ref name="SVG.Presentation.attrib"/>
    <ref name="SVG.External.attrib"/>
    <optional>
      <attribute name="refX">
        <ref name="Coordinate.datatype"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="refY">
        <ref name="Coordinate.datatype"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="markerUnits">
        <choice>
          <value>strokeWidth</value>
          <value>userSpaceOnUse</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name="markerWidth">
        <ref name="SVGLength.datatype"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="markerHeight">
        <ref name="SVGLength.datatype"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="orient"/>
    </optional>
    <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>
