6. The apparatus of claim 5 , wherein the at least one XML element comprises an element tag and a body, and wherein the data indicative of the hierarchy of the elements comprises a string that excludes that at least the body of the at least one XML element.
6. The apparatus of claim 5 , wherein the at least one XML element comprises an element tag and a body, and wherein the data indicative of the hierarchy of the elements comprises a string that excludes that at least the body of the at least one XML element. 7. The apparatus of claim 6 , wherein the specified portion is identified based on the size of the data indicative of the hierarchy of the elements.