| The PLplot Plotting Library: Programmer's Reference Manual | ||
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pladv: Advance the (sub-)page
      Advances to the next subpage if
      sub=0, performing a page
      advance if there are no remaining subpages on the current page.  If
      subwindowing isn't being used, pladv(0) will
      always advance the page.  If
      sub>0, PLplot switches
      to the specified subpage.  Note that this allows you to overwrite a
      plot on the specified subpage; if this is not what you intended, use
      pleop followed by plbop to first advance the page.  This routine
      is called automatically (with
      sub=0) by plenv, but if
      plenv is not used, pladv must be called after initializing PLplot
      but before defining the viewport.
    
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