4.3BSD/usr/contrib/icon/test/distr/std80.out

2 ~=== +2 ----> none
2.0 ~=== +2.0 ----> none
3 ~=== *"abc" ----> none
'abc' ~=== ('abc' ++ '') ----> none
Run-time error 102 at line 13 in std80.icn
numeric expected
offending value: "abc"