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