return — return or resume execution and copy some local variables
return [x1,..,xn]=return(a1,..,an)
In a function return stops the execution of the function,
[..]=return(..) stops the execution of the function and put the
local variables ai in calling environnement under names
xi.
In pause mode, it allows to return to upper level
[..]=return(..) returns to upper level and put the local variables
ai in calling environnement under names xi.
In an execstr called by a function [..]=return(..) stops
the execution of the function and put the local variables
ai in calling environnement under names xi.
resume is equivalent to return.