/// Get the font of the "environment" of paragraph \p par_offset in \p pars.
/// All font changes of the paragraph are relative to this font.
Font const outerFont(pit_type par_offset) const;
/// Get the font of the "environment" of paragraph \p par_offset in \p pars.
/// All font changes of the paragraph are relative to this font.
Font const outerFont(pit_type par_offset) const;