version 7 by AW Freyr
section b - selecting not a page
The general choose object rules are an object based rulebook.
The object-choice-handler is an object based rulebook that varies. The object-choice-handler are the general choose object rules.
Rule for selecting an object (called x) (this is the standard handled selected objects rule):
now the previous page is the current page;
now the current page is no-page;
follow the object-choice-handler for x.