XYplotm menus
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       *  File MENU:

           * Write PostScript File

               Display FileSpecify dialog. Write current plot to file specified.

           * Write and print PostScript File

               Prints current plot to printer specified by LPRINTER
                 environment parameter.  Print command is a Decida/Tk option.

           * Write and print PostScript File (specify print command)

           * Quit
        
       *  Edit MENU:

           * Settings

               Display dialog for specifying various plot settings,
               including titles.

           * Trace increasing

               specify curve trace orientation:
                 XCOL increasing is solid, XCOL decreasing is invisible

           * Trace decreasing

               specify curve trace orientation:
                 XCOL increasing is invisible, XCOL decreasing is solid

           * Trace both

               specify curve trace orientation:
                 XCOL increasing is solid,     XCOL decreasing is solid

           * All dots

               curve is plotted with dots only

           * All small squares

               curve is plotted with small squares only

           * All medium squares

               curve is plotted with medium squares only

           * All large squares

               curve is plotted with large squares only

           * All narrow lines

               curve is plotted with narrow lines only

           * All medium lines

               curve is plotted with medium lines only

           * All wide lines

               curve is plotted with wide lines only

           * Autoscale x

               autoscale in x-direction only

           * Autoscale y

               autoscale in y-direction only

           * Autoscale both

               autoscale in both x- and y-directions

           * Delete current curve

               remove the current curve from the plot

       *  Symbol MENU:

           * specify symbol for current curve
        
       *  Color MENU:

           * specify color  for current curve
        
       *  Curve MENU:

           * specify current curve