/**
@defgroup audio_input  Audio Input
@defgroup audio_output Audio Output
@defgroup audio_ui Audio UI
@defgroup build Files used in building Aegisub.
@defgroup configuration_ui Configuration Ui
@defgroup custom_control Custom Control
@defgroup export Export
@defgroup ffms FFmpegSource support.
@defgroup font_collector Font collector
@defgroup kanji_timer Kanji Timer
@defgroup libosxutil libosxutil
@defgroup main Main
@defgroup main_headers Main Headers
@defgroup main_ui Main UI
@defgroup matroska Matroska support.
@defgroup scripting Scripting
@defgroup secondary_ui Secondary UI
@defgroup spelling Spelling
@defgroup style_editor Style Editor
@defgroup subs_storage Subtitle Storage
@defgroup subtitle_io Subtitle I/O
@defgroup subtitle_rendering Subtitle Rendering
@defgroup thesaurus Thesaurus
@defgroup tools_ui Tools UI
@defgroup unused Unused
@defgroup utility Utility
@defgroup video Video
@defgroup video_input Video Input
@defgroup video_output Video Output
@defgroup visual_ts Video Typesetting
@defgroup vobsub VobSub

*/