def is_marked?(id, ignore_errors = false)
      @entries.each do |entry|
        return entry[MARKED] != 0 if entry[ID] == id
      end

      return false if ignore_errors
      PEROBS.log.fatal "Cannot find an entry for ID #{'%016X' % id} to check"
    end
def is_marked?(id, ignore_errors = false)
      @entries.each do |entry|
        return entry[MARKED] != 0 if entry[ID] == id
      end

      return false if ignore_errors
      PEROBS.log.fatal "Cannot find an entry for ID #{'%016X' % id} to check"
    end
Check if the entry for a given ID is marked.
 @param id [Integer] ID of the entry
 @param ignore_errors [Boolean] If set to true no errors will be raised
        for non-existing objects.
 @return [TrueClass or FalseClass] true if marked, false otherwise