Created by Jerry Wang on Jul 11, 2014

For convenient purpose, I call the part of a given rule which contains all kinds of operations to be done once the condition defined in condition part has met as "command part".

The following three kinds of commands are available:

1. EXCLUDE_ELEMENT

This command will remove the given element from the current document.

1. INCLUDE<>ELEMENT

This command will include the given element to the current document. The prerequisite that this command can really take effect, is that the visibility of the given element must be set as "Rule" or "Recommended".

1. SET_VALUE

change the content of a given variable to the specified value.

Two parameters must be passed in.
First parameter: technical name of variable

Second parameter: the value which you would like to assign to the variable