code: public boolean compatible()
      {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "compatible", this);
          if (tc.isEntryEnabled())
              Tr.exit(tc, "compatible", new Boolean(_compatible));
          return _compatible;
      }
docs: Test to determine if the target log file header belongs to a compatible RLS
  file.
  
  @return boolean true if the log file header is compatible, otherwise false.