HELP - print this message DEBUG - set debug mode (default) EDIT - set edit mode LOAD - load unspecialised Regulus grammar LOAD_GENERATION - load unspecialised Regulus generation grammar EBL_LOAD - load specialised Regulus grammar EBL_LOAD_GENERATION - load specialised Regulus generation grammar LEX WordOrWords - add item for WordOrWords, e.g. 'LEX pain' or 'LEX bright light' GAP - add item for gap expression PARSE WordOrWords - add item formed by parsing WordOrWords, e.g. 'PARSE where is the pain' GENERATE ID - add all items formed by generating from ID, e.g. 'GENERATE 1' COMBINE IDOrIDs - combine items into a new item, e.g. 'COMBINE 1' or 'COMBINE 1 3' CUT ID Node - cut item ID at Node, e.g. 'CUT 2 3'. In edit mode, only add a cut marking. UNCUT ID Node - remove cut marking on item ID at Node, e.g. 'UNCUT 2 3' [only meaningful in edit mode] JOIN ID1 Node ID2 - attach item ID2 under Node of ID1, e.g. 'JOIN 1 15 4' JOIN ID1 ID2 - attach item ID2 under ID1, e.g. 'JOIN 1 4' SHOW ID - show item ID, e.g. 'SHOW 1' SHOW ID Node - show material under Node of item ID, e.g. 'SHOW 1 15' RULE ID Node - show rule at Node of item ID, e.g. 'RULE 1 15' DELETE IDOrIDs - delete item ID or IDs, e.g. 'DELETE 1' or 'DELETE 1 2' DELETE_ALL - delete all items SUMMARY - print summary for each item EXIT - leave stepper