13. The process of claim 12, wherein the step of applying the property specification includes: retrieving the property specification of each ancestor element of the starting point element in the digital document; and combining the property specifications of the ancestor elements with the property specification of the starting point element.
13. The process of claim 12, wherein the step of applying the property specification includes: retrieving the property specification of each ancestor element of the starting point element in the digital document; and combining the property specifications of the ancestor elements with the property specification of the starting point element. 15. The process of claim 13, wherein an element may have a security attribute and wherein the step of applying property specifications to the text content of an element includes the step of omitting the text content of an element having a security attribute.