CKQUOTE>
      The <B>readspice</B> command is used to ensure that port indexes on
      port labels in a cell match the port order specified in an existing
      SPICE netlist for that cell.  This is generally used with standard
      cell libraries to ensure that port order is maintained in cells that
      are read from GDS or LEF, neither of which declares a port order.
      It will also create ports from labels in the case where a file read
      from GDS does not contain layers that are interpreted a