--- /dev/null
+<searchClause>
+ <index>dc.creator</index>
+ <relation>
+ <value>=</value>
+ </relation>
+ <term>kernighan</term>
+ <sortKeys>
+ <key>
+ <index>dc.date</index>
+ <modifiers>
+ <modifier>
+ <type>sort.missingvalue</type>
+ <comparison>=</comparison>
+ <value>1970</value>
+ </modifier>
+ </modifiers>
+ </key>
+ </sortKeys>
+</searchClause>