/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/ is in doctrine-orm-doc 2.4.6-1+deb8u1.
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/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/advanced-field-value-conversion-using-custom-mapping-types.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/aggregate-fields.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/decorator-pattern.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/dql-custom-walkers.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/dql-user-defined-functions.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/entities-in-session.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/implementing-arrayaccess-for-domain-objects.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/implementing-the-notify-changetracking-policy.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/implementing-wakeup-or-clone.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/integrating-with-codeigniter.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/mysql-enums.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/resolve-target-entity-listener.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/sql-table-prefixes.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/strategy-cookbook-introduction.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/validation-of-entities.txt
/usr/share/doc/php-doctrine-orm/html/_sources/cookbook/working-with-datetime.txt