class Font;
}
-std::string marked_up (std::list<StringText> subtitles, int target_height, float fade_factor);
+std::string marked_up (std::list<StringText> subtitles, int target_height, float fade_factor, std::string font_name);
std::list<PositionImage> render_text (
std::list<StringText>, std::list<std::shared_ptr<dcpomatic::Font> > fonts, dcp::Size, dcpomatic::DCPTime, int
);