+ return os << "font:"
+ << " family " << font.bits.family
+ << " series " << font.bits.series
+ << " shape " << font.bits.shape
+ << " size " << font.bits.size
+ << " color " << font.bits.color
+ << " emph " << font.bits.emph
+ << " underbar " << font.bits.underbar
+ << " noun " << font.bits.noun
+ << " number " << font.bits.number
+ << " lang: " << (font.lang ? font.lang->lang() : 0);