id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	difficulty
569	integer->char doesn't work right with negative numbers	shawnw		"(integer->char -1) => #\U1fffff but (char->integer #\U1fffff) => 2097151

Found this when trying to make a non-blocking ncurses app: getch and friends return -1 when there's no ready input."	defect	closed	major	4.9.0	core libraries	4.6.x	wontfix