michael@0: s = newGlobal();
michael@0: evalcx("\
michael@0:     try { \
michael@0:         throw StopIteration;\
michael@0:     } catch(a) {\
michael@0:         x = a;\
michael@0:     } \
michael@0:     wrap(x);\
michael@0: ", s);
michael@0: evalcx("\
michael@0:     n = x;\
michael@0: ", s);