code: func (cmd *PageCommand) PrintMeta(w io.Writer, buf []byte) error {
  	m := (*meta)(unsafe.Pointer(&buf[PageHeaderSize]))
  	fmt.Fprintf(w, "Version:    %d\n", m.version)
  	fmt.Fprintf(w, "Page Size:  %d bytes\n", m.pageSize)
  	fmt.Fprintf(w, "Flags:      %08x\n", m.flags)
  	fmt.Fprintf(w, "Root:       <pgid=%d>\n", m.root.root)
  	fmt.Fprintf(w, "Freelist:   <pgid=%d>\n", m.freelist)
  	fmt.Fprintf(w, "HWM:        <pgid=%d>\n", m.pgid)
  	fmt.Fprintf(w, "Txn ID:     %d\n", m.txid)
  	fmt.Fprintf(w, "Checksum:   %016x\n", m.checksum)
  	fmt.Fprintf(w, "\n")
  	return nil
  }
docs: // PrintMeta prints the data from the meta page.