* paragraph from left to right calling getFont for every char. This
* simple class address this problem by hidding an optimization trick
* (not mine btw -AB): the font is reused in the whole font span. The
* paragraph from left to right calling getFont for every char. This
* simple class address this problem by hidding an optimization trick
* (not mine btw -AB): the font is reused in the whole font span. The
Paragraph const & par, pos_type pos);
///
Font const & operator*() const;
Paragraph const & par, pos_type pos);
///
Font const & operator*() const;