v. a URI or hyperlink to the Licensed Material to the
                    extent reasonably practicable;

            b. indicate if You modified the Licensed Material and
               retain an indication of any previous modifications; and

            c. indicate the Licensed Material is licensed under this
               Public License, and include the text of, or the URI or

	}
	wg.Wait()

	// Return true if releaseAll was successful, otherwise we return 'false'
	// to indicate we haven't sufficiently unlocked lockers to avoid deadlocks.
	//
	// Caller may use this as an indication to call again.
	return !checkFailedUnlocks(*locks, tolerance)
}

// Unlock unlocks the write lock.
//
// It is a run-time error if dm is not locked on entry to Unlock.