struct Axis_group_element;
struct Axis_group_spanner;
struct Axis_group_item;
+struct Axis_align_item;
struct Axis_group;
struct Bar;
struct Bar_column_engraver;
struct Engraver_group_engraver;
struct Extender;
struct Extender_req;
-struct G_script;
-struct G_script_req;
-struct G_staff_side_item;
-struct G_text_item;
+struct Script;
+struct Script_req;
+struct Staff_side_item;
+struct Text_item;
struct General_script_def;
struct Graphical_element;
struct Multi_measure_rest_req;
struct Multi_measure_rest_engraver;
struct Music;
+struct Music_iterator;
struct Musical_req;
struct Musical_span_req;
struct Musical_script_req;
struct Score_element;
struct Score_element_info;
struct Score_performer;
-struct Script;
-struct Script_column;
-struct Script_def;
-struct Script_engraver;
-struct Script_req;
struct Simple_music;
struct Simultaneous_music;
struct Single_malt_grouping_item;