Enable indexing for camelCase sentences and words Index chm files Index dvi files Index iCalendar files Index GNU info files Use the Linux Kernel notification subsystem for monitoring file alterations in realtime Index Latex lyx files Index Microsoft Word documents Index Microsoft PowerPoint documents Index Microsoft Excel documents Index PDF documents Index Microsoft RTF documents Stop monitoring file alterations when X11 session terminates Index audio files Index TeX files Index WordPerfect documents Index several XML-based formats (Abiword, FictionBook, Kword, Office OpenXML, OpenDocument, SVG)