> 2 - Expanding keywords : When the beginning of a keyword is written in> the editor (ie 'ligh'), the user should be given the choice of the> possible matching keywords ( 'light_source' or 'light_group'.> If only one keyword matches (ie 'cam'), the editor should complete> that keyword ('camera').
Type "cam" and press tab. Type "ligh" and press tab a few times.
