arg() crashes the emulator

[salvomic]

(02-25-2015 06:00 AM)Angus Wrote:  ... I did not find case and return in the help (case leads to help CASE), so could you point out what differs with them?

case/CASE
return/RETURN
mid/MID
(..)

You said these nuances are important to learn. Thank you

yes, thank you, it's important also for me, and, please, explain what is the difference between
RETURN f; / return f;
and
RETURN(f);
with ()

Salvo