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<!--- The root connection element. -->
<!ELEMENT connection (driver-class,driver-name,database-url,schema,user)>

<!--- The driver class. -->
<!ELEMENT driver-class EMPTY>
<!ATTLIST driver-class 
    value CDATA #REQUIRED
>

<!--- The driver name. -->
<!ELEMENT driver-name EMPTY>
<!ATTLIST driver-name 
    value CDATA #REQUIRED
>

<!--- The database URL. -->
<!ELEMENT database-url EMPTY>
<!ATTLIST database-url 
    value CDATA #REQUIRED
>

<!--- The schema to which to connect by default. -->
<!ELEMENT schema EMPTY>
<!ATTLIST schema 
    value CDATA #REQUIRED
>

<!--- The database user to connect as. -->
<!ELEMENT user EMPTY>
<!ATTLIST user 
    value CDATA #REQUIRED
>