Greetings, I'm not sure what ⎕FX is doing, but it's certainly wrong.
∇abc
[1] 111
[2] 222
[3] 333
[4] 444
[5] 555
[6] ∇
x←⎕CR 'abc'
x
abc
111
222
333
444
555
x[4;1]←' '
x
abc
111
222
33
444
555
⎕fx x
1
∇abc[⎕]∇
∇
[0] abc
[1] 111
[2] 222
[3] 333
[4] 444
[5] 555
∇
Why is 333 not 33?
Thanks.
Blake
