/usr/share/doc/php5-common/PEAR/Structures_Graph/docs/html/Structures_Graph/ is in php-pear 5.3.10-1ubuntu3.
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/usr/share/doc/php5-common/PEAR/Structures_Graph/docs/html/Structures_Graph/Structures_Graph.html
/usr/share/doc/php5-common/PEAR/Structures_Graph/docs/html/Structures_Graph/Structures_Graph_Manipulator_AcyclicTest.html
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/usr/share/doc/php5-common/PEAR/Structures_Graph/docs/html/Structures_Graph/_Structures_Graph_Manipulator_TopologicalSorter_php.html
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