20000	COMMENT:	no end_of_comment token in the parse tables~
20001	COMMENT:	bad length *%d* of end_of_comment token `%s'
	for buf[`%d']~
20002	BACKUP:	buffer overflow on line %d,
	Pchar[0] = `%c'
	Pchar[1] = `%c'
	cannot backup character *%c*~
20003	YYLEX:	invalid type *%d*~