hilo ( hiblock, loblock, midblock*, labels*, legend* )
create high-low chart block
hiblock╤number block with high values; loblock╤number block with low values; midblock╤optional number block with middle values; labels╤optional word block containing labels for category axis; legend╤optional word block of maximum three cells containing pattern legend for the two or three data series.
hilo creates a block containing a high/low chart. To change its appearance, click again on the chart and answer the resulting dialog.
