RETURN command?

[Ioannis]

I do not see any safety problem with multiple entries in a sub.

It is up to the programmer to write correct code and debug it. Say you want 5*6 and accidentally write 5**6. This is valid in PBP but whose fault is now. Compiler's?

Also valid is the conditional exit from a sub with many returns that depend on the conditions. Not efficient programming but for the sake of example:

mysub:
    if x=3 then
        y=4
        RETURN
    elseif x=5 then
        y=6
        RETURN
    endif
y=10
return

Ioannis