Multiple Viewports Using Automatic Links

:h2 res=0120
      x=center y=center width=50% height=50%.
      Multiple Viewports Example
:link reftype=hd res=0121
      auto dependent
      vpx=left vpy=bottom vpcx=50% vpcy=100%
      scroll=none titlebar=none rules=none.
:link reftype=hd res=0122
      auto dependent
      vpx=right vpy=bottom vpcx=50% vpcy=100%
      scroll=vertical titlebar=none rules=none.