Another Shortcut for the DTD

<!ENTITY % extended.att
  "xlink:type   CDATA    #FIXED 'extended'
   xmlns:xlink  CDATA    #FIXED 'http://www.w3.org/1999/xlink'
   xlink:role   CDATA    #IMPLIED
   xlink:title  CDATA    #IMPLIED"
>

<!ENTITY % resource.att
  "xlink:type (resource) #FIXED  'resource'
   xlink:href    CDATA   #REQUIRED
   xlink:role    CDATA   #IMPLIED
   xlink:title   CDATA   #IMPLIED"
>

<!ENTITY % locator.att
  "xlink:type (locator)  #FIXED  'locator'
   xlink:href    CDATA   #REQUIRED
   xlink:role    CDATA   #IMPLIED
   xlink:title   CDATA   #IMPLIED"
>

<!ELEMENT WEBSITE (HOMESITE, MIRROR*) >
<!ATTLIST WEBSITE
   %extended.att;
>

<!ELEMENT NAME (#PCDATA)>
<!ATTLIST NAME
   %resource.att;
>

<!ELEMENT HOMESITE (#PCDATA)>
<!ATTLIST HOMESITE
   %locator.att;
>

<!ELEMENT MIRROR (#PCDATA)>
<!ATTLIST MIRROR
   %locator.att;
>
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