It seems that they are evaluated as a whole on the first RUN, and any changes made later (including new declarations) are never picked up for subsequent RUNs.
Once you know that, you can read the manual in a way that it does explain that, in the most inobvious way.
Follow up:
It seems that they are evaluated as a whole on the first RUN, and any changes made later (including new declarations) are never picked up for subsequent RUNs.
Once you *know* that, you can read the manual in a way that it does explain that, in the most inobvious way.
