The `fontstyle' property

Cell property of Grid object

Each cell element is an integer scalar

Determines the style of the text within the cell. The value is the sum of:

          0        Plain
          1        Bold
          2        Italic
          4        Underlined
          8        Hollow (supported under MacOS only)
         16        Strikeout (not supported under MacOS)

The special value of ¯1 means use the default font style of the Grid.