busybox

hush: fix bkslash+newline handling and number validation in ${NN} and ${#NN} Entering "${1a}" into interactive shell was making it exit. function old new delta parse_dollar 824 958 +134 i_getch_and_eat_bkslash_nl - 44 +44 parse_expr 917 938 +21 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/0 up/down: 199/0) Total: 199 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2021-06-19 18:58:10 +05:30			`1:1`
			`22:22`
			`3:3`
			`Ok:0`