This is fairly bizarre. I've been having no problems at all with smart quotes on FM8 p277. I spent a moment or two wondering what Mr Griffith was talking about (but confident he did know ;-).
My maker.ini looks like this: ; Smart Quote Characters ; SmartQuotes \xd4\xd5\xd2\xd3 ) English curved quotes ; SmartQuotes \xe2\xd4\xe3\xd2 ) German-style quotes with base quotes ; SmartQuotes \xd5\xd5\xc7\xc8 ) French-style quotes using guillemets ; SmartQuotes \xd5\xd5\xd3\xd3 ) Swedish- and Finnish-style quotes ; SmartQuotes \xd4\xd5\xd2\xd3 ) Italian curved quotes ; ; English curved quotes: SmartQuotes=????