New API in pangomm 1.6

Member Pango::Context::get_font_map ()
Member Pango::Context::get_font_map () const
Member Pango::Context::set_matrix (const Matrix & matrix)
Member Pango::FontMetrics::get_strikethrough_position () const
Member Pango::FontMetrics::get_strikethrough_thickness () const
Member Pango::FontMetrics::get_underline_position () const
Member Pango::FontMetrics::get_underline_thickness () const
Member Pango::Layout::get_ellipsize () const
Member Pango::Layout::set_ellipsize (EllipsizeMode ellipsize)
Member Pango::LayoutRun::letter_space (const Glib::ustring & text, const LogAttr & log_attrs, int letter_spacing=0)