Input (grade 7): The HSQLDB developers have suggested only 76% of the target has been met in the 1.8.0 release, the version first integrated with OOo 2.0.
Output (grade 6): The HSQLDB developers have suggested only 76% of the target has been met in the 1.8.0 release, which is the version that was integrated (merged) with OOo 2.0.