val apply_tag : ([> `textbuffer ], Gtk.text_tag -> Gtk.text_iter -> Gtk.text_iter -> unit) GtkSignal.tval begin_user_action : ([> `textbuffer ], unit -> unit) GtkSignal.tval changed : ([> `textbuffer ], unit -> unit) GtkSignal.tval delete_range : ([> `textbuffer ], Gtk.text_iter -> Gtk.text_iter -> unit) GtkSignal.tval end_user_action : ([> `textbuffer ], unit -> unit) GtkSignal.tval insert_child_anchor : ([> `textbuffer ], Gtk.text_iter -> Gtk.text_child_anchor -> unit) GtkSignal.tval insert_pixbuf : ([> `textbuffer ], Gtk.text_iter -> GdkPixbuf.pixbuf -> unit) GtkSignal.tval insert_text : ([> `textbuffer ], Gtk.text_iter -> string -> unit) GtkSignal.tval mark_deleted : ([> `textbuffer ], Gtk.text_mark -> unit) GtkSignal.tval mark_set : ([> `textbuffer ], Gtk.text_iter -> Gtk.text_mark -> unit) GtkSignal.tval modified_changed : ([> `textbuffer ], unit -> unit) GtkSignal.tval remove_tag : ([> `textbuffer ], Gtk.text_tag -> Gtk.text_iter -> Gtk.text_iter -> unit) GtkSignal.t