struct Adobe_font_char_metric;
struct Adobe_font_metric;
struct Align_element;
+struct Align_note_column_engraver;
struct All_font_metrics;
struct Articulation_req;
struct Atom;
struct Bow;
struct Box;
struct Bracket_req;
+struct Break_align_engraver;
struct Break_align_item;
struct Break_req;
struct CHyphen_req;
struct Dots;
struct Durational_req;
struct Dynamic;
+struct Dynamic_engraver;
struct Dynamic_req;
struct Element_group;
struct Element_group_item;
struct General_script_def;
struct Global_translator;
struct Grace_align_item;
+struct Grace_position_engraver;
+struct Grace_position_performer;
struct Hara_kiri_group_spanner;
struct Hara_kiri_line_group_engraver;
struct Head_column;
struct Lyric_req;
struct Mark_req;
struct Measure_grouping_req;
+struct Melisma_engraver;
struct Melodic_req;
struct Midi_def;
struct Midi_duration;
struct Note_column_engraver;
struct Note_head;
struct Note_head_engraver;
+struct Note_name_engraver;
struct Note_performer;
struct Note_req;
struct Notename_table;
struct Performer;
struct Performer_group_performer;
struct Piano_brace;
+struct Property_engraver;
struct Property_iterator;
struct Rational;
struct Re_rhythmed_music;
struct Score_element_info;
struct Score_performer;
struct Script;
+struct Script_column_engraver;
struct Script_req;
struct Separating_group_spanner;
struct Sequential_music;
struct Slur_engraver;
struct Spacing_spanner;
struct Span_bar;
+struct Span_bar_engraver;
struct Span_req;
struct Span_score_bar;
struct Spanner;
struct Staff_side;
struct Staff_side_item;
struct Staff_symbol;
+struct Staff_symbol_engraver;
struct Stem;
struct Stem_beam_engraver;
struct Stem_req;
struct Symtable;
struct Symtables;
struct Tempo_req;
+struct Tex_engraver;
struct Tex_font_char_metric;
struct Tex_font_metric;
struct Tex_font_metric_reader;