

------------------- Vertical formatting commands -----------------

  ,PL N    Page length N lines/page
  ,PG      New page
  ,PN N    Page number
  ,TF      Top of form (printer command)

  ,HD      Define header
  ,FT      Define footer
  ,,       End header or footer definition

  ,SP N    Space N lines (print parameter)
  ,SS N    Set spacing N spaces per line (print parameter)
  ,VT N    Vertical tab to Nth line (print parameter)
  ,VS N    Vertical spacing, lines/inch (print parameter)
  ,NL N    Need N lines on same page
