Improved the function 'is_graphic_symbol' to include testing if a footprint is specified.
Improved the function 'is_graphic_symbol' to include testing if a footprint is specified.
With reference to rule S7.2, a Graphic symbol does not correspond to a footprint. So if a footprint is specified, the symbol does not qualify as a graphical symbol.
Therefor rules in S7.2 does not apply to the symbol under test.