Usage Examples
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        All of the  examples  in  this  guide are  color-coded for  quick
        browsing.  All template, or <<UIcode...endUIcode>>  blocks are in
        color or underlined, and  all resulting  .PRG  code  is  shown in
        reverse video.  For Example, the following piece of code is taken
        from the template library section.

         Example:

              If generating Clipper Summer '87 code, with a box
              of dimensions 10,10,20,20, you might use:

               <<UIcode>>

                 savebox=ask_for_box("Pick the box to save")
                 call_save_screen(savebox,"thisbuf")

               <<endUIcode>>

              which would result in generated code of

               thisbuf=savescreen(10,10,20,20)


              To make the call to restore the screen, use:

               <<UIcode>>

                 call_restore_screen(savebox,"thisbuf")

               <<endUIcode>>

              which would generate

               restscreen(10,10,20,20,thisbuf)

         We will use this convention throughout the guide.