+:2eFBCIndex (.FBCIndex)
+:2eFBCLockFolder/:2eFBCSemaphoreFile (.FBCLockFolder/.FBCSemaphoreFile)
+
+These are created to preserve retrieval information by Sherlock
+on Mac OS X 10.1. If these are removed, the next retrieval will slow.
+Mac OS X 10.2 and later do not use these.