7.6 Assignment #4: A DTD Navigator

<!ELEMENT live (eat | sleep)* >
<!ATTLIST live xmlns CDATA #FIXED 'what:live' >
<!ELEMENT eat (#PCDATA) >
Used at: live
<!ELEMENT sleep EMPTY >
<!ATTLIST sleep time CDATA #IMPLIED >
Used at: live

The declaration of the attributes are placed immediately after the declaration of the elements to which they belong
Each element declaration is provided with a list of hyperlink pointers to where the element is being used
The children elements in the declarations are made hyperlink pointers to their own declarations (e.g., eat and sleep in <!ELEMENT live (eat | sleep)* >).

The HTML for the above example could be as follows.

<html xmlns="http://www.w3.org/1999/xhtml" >
<head><title></title></head>
<body>

 <!ELEMENT
 <a id="live">live</a>
 ( <a href="#eat">eat</a>
 | <a href="#sleep">sleep</a>
 )*
 >
 
 <!ATTLIST live xmlns CDATA #FIXED 'what:live'
 >
 
 <!ELEMENT <a id="eat">eat</a> (#PCDATA)
 >
 
    Used at: <a href="#live">live</a>
 
 <!ELEMENT <a id="sleep">sleep</a> EMPTY
 >
 
 <!ATTLIST sleep time CDATA #IMPLIED
 >
 
    Used at: <a href="#live">live</a>

</body>
</html>

TeiLite

DocBook