class Bezier;
class Bezier_bow;
class Book;
-class Book_paper_def;
class Break_algorithm;
class Change_iterator;
class Change_translator;
class Engraver;
class Engraver;
class Engraver_group_engraver;
+class Event;
+class Event_chord;
+class Event_chord_iterator;
class Folded_repeat_iterator;
class Font_metric;
class Font_size_engraver;
class Global_context;
-class Grace_fixup;
class Gourlay_breaking;
+class Grace_fixup;
class Grace_iterator;
class Grace_music;
+class Grob;
class Hara_kiri_engraver;
class Hara_kiri_line_group_engraver;
class Includable_lexer;
-class Input_file_results;
class Input;
+class Input_file_results;
class Item;
class Key_performer;
class Keyword_ent;
class Keyword_table;
-class Ligature_engraver;
class Ligature_bracket_engraver;
+class Ligature_engraver;
+class Lily_lexer;
+class Lilypond_context_key;
+class Lilypond_grob_key;
class Line_group_engraver_group;
-class System;
class Lookup;
class Lyric_combine_music;
class Lyric_combine_music_iterator;
class Lyric_phrasing_engraver;
class Mensural_ligature_engraver;
class Midi_chunk;
-class Midi_def;
class Midi_duration;
class Midi_dynamic;
class Midi_header;
class Midi_text;
class Midi_time_signature;
class Midi_track;
-class Stencil;
+class Modified_font_metric;
class Moment;
class Music;
class Music_iterator;
class Music_list;
class Music_output;
-class Music_output_def;
class Music_sequence;
class Music_wrapper;
class Music_wrapper_iterator;
-class Page;
-class Pitch;
-class My_lily_lexer;
class Note_performer;
+class Output_def;
+class Object_key;
class Output_property;
+class Page;
class Paper_book;
class Paper_column;
-class Paper_def;
-class Paper_line;
class Paper_outputter;
class Paper_score;
-class Paper_stream;
+class Paper_system;
class Performance;
class Performer;
class Performer_group_performer;
class Piano_bar_engraver;
+class Pitch;
class Pitch_squash_engraver;
class Property_iterator;
class Rational;
class Relative_octave_music;
class Repeated_music;
-class Event;
-class Event_chord;
-class Event_chord_iterator;
-class Modified_font_metric;
class Scheme_hash_table;
class Score;
-class Grob;
-class Score_engraver;
class Score_context;
+class Score_engraver;
class Score_performer;
class Sequential_music;
class Sequential_music_iterator;
class Simple_music_iterator;
class Simple_spacer;
+class Simple_spacer_wrapper;
class Simultaneous_music;
class Simultaneous_music_iterator;
-class Slur_bezier_bow;
+class Slur_configuration;
+class Slur_score_state;
class Span_score_bar_engraver;
class Spanner;
class Staff_group_bar_engraver;
class Staff_performer;
+class Stencil;
class Swallow_engraver;
class Swallow_performer;
+class System;
class Tempo_performer;
class Tex_font_metric;
class Tie;