program:	{ newline } section_list { newline }

newline:	[ space ] NEWLINE

space:		SPACE { SPACE }

section_list:	{ section instruction_list }

section:	"." WORD newline

instruction_list:	{ function | space (instruction | newline) | newline }

function:	WORD ":" newline

instruction:	operator [ space ] [ operand_list ] newline

operator:	WORD

operand_list:	operand [ space ] { "," [ space ] operand [ space ] }

operand:	WORD | NUMBER | ( "[" WORD "]" )