+ Direction start_end () const { return start_end_; }
+ Grob *grob () const { return grob_; }
+ Translator *origin_translator () const { return origin_trans_; }
+
+ Context *context () const;
+ Stream_event *event_cause () const;
+ Stream_event *ultimate_event_cause () const;
+ vector<Context*> origin_contexts (Translator *) const;
+ Grob_info (Translator *, Grob *);