http://www.w3.org/1999/xhtml
element img

Model

<img
  alt = Text
  class = xs:NMTOKENS
  dir = <TODO local simpleType in attribute>
  height = Length
  id = xs:ID
  ismap = <TODO local simpleType in attribute>
  lang = LanguageCode
  lang = xs:language
  longdesc = URI
  onclick = Script
  ondblclick = Script
  onkeydown = Script
  onkeypress = Script
  onkeyup = Script
  onmousedown = Script
  onmousemove = Script
  onmouseout = Script
  onmouseover = Script
  onmouseup = Script
  src = URI
  style = StyleSheet
  title = Text
  usemap = URI
  width = Length>

</img>

alt

class

dir

height

id

ismap

lang

lang

In due course, we should install the relevant ISO 2- and 3-letter codes as the enumerated possible values . . .

longdesc

onclick

ondblclick

onkeydown

onkeypress

onkeyup

onmousedown

onmousemove

onmouseout

onmouseover

onmouseup

src

style

title

usemap

usemap points to a map element which may be in this document or an external document, although the latter is not widely supported

width

Source

<xs:element name="img">
  <xs:complexType>
    <xs:attributeGroup ref="attrs"/>
    <xs:attribute name="src" type="URI" use="required"/>
    <xs:attribute name="alt" type="Text" use="required"/>
    <xs:attribute name="longdesc" type="URI"/>
    <xs:attribute name="height" type="Length"/>
    <xs:attribute name="width" type="Length"/>
    <xs:attribute name="usemap" type="URI">
    </xs:attribute>
    <xs:attribute name="ismap">
      <xs:simpleType>
        <xs:restriction base="xs:token">
          <xs:enumeration value="ismap"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
  </xs:complexType>
</xs:element>