EXCEL_FONT_RID = 0x31
XF_BOLDNESS_BOLD = 0x2BC
XF_BOLDNESS_REGULAR = 0x190
XF_SCRIPT_NONE =
XF_SCRIPT_SUBSCRIPT = 2
XF_SCRIPT_SUPERSCRIPT = 1
XF_STYLE_ITALIC = 0x2
XF_STYLE_STRIKEOUT = 0x8
XF_UNDERLINE_DOUBLE = 0x2
XF_UNDERLINE_DOUBLE_ACCOUNTING = 0x4
XF_UNDERLINE_NONE = 0x0
XF_UNDERLINE_SINGLE = 0x1
XF_UNDERLINE_SINGLE_ACCOUNTING = 0x3