resume - return or resume execution and copy some local variables
In a function resume stops the execution of the function, [..]=resume(..) 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 lower level [..]=resume(..) returns to lower level and put the local variables ai in calling environnement under names xi.
In an execstr called by a function [..]=resume(..) stops the execution of the function and put the local variables ai in calling environnement under names xi.
resume is equivalent to return.