Multiple Attribute Declarations
Consider this element
<RECT LENGTH="70px" WIDTH="85px"/>
With two attribute declarations:
<!ELEMENT RECTANGLE EMPTY>
<!ATTLIST RECTANGLE LENGTH CDATA "0px">
<!ATTLIST RECTANGLE WIDTH CDATA "0px">
With one attribute declaration
<!ATTLIST RECTANGLE LENGTH CDATA "0px"
Indentation is a convetion, not a requirement