sequential_sep - wordlist : VALID
sequential_sep - in : VALID
sequential_sep - name : VALID

separator - term : VALID
separator - compound_list : NOTHING				!!!!!

separator_op - complete_commands : NOTHING !!!!

linebreak - linebreak : NOTHING
linebreak - separator_op : ASSIGNATION, k = 1,	new = separator
linebreak - in : VALID
linebreak - name : VALID
linebreak - compound_list : VALID
linebreak - complete_commands : VALID
linebreak - AND_IF : VALID
linebreak - OR_IF : VALID
linebreak - WORD : VALID
linebreak - SEMI : AGGREGATION k - 1, new = sequential_sep
linebreak - EMPTY : VALID
linebreak - PAREN_CLOSE : VALID