Patent Document ID: 6101512
Application ID: 09353257

Base Claim:
1. A computer program product for storing a representation of a digital document, including first means for storing the digital document, the digital document having descriptive markup defining a plurality of hierarchical elements, wherein each element except a root element has an ancestor element and wherein each element has a type name and wherein an element may have a child element, a left sibling element, a right sibling element, and wherein at least one element contains text content, the computer program product comprising: a computer readable media having computer program logic stored thereon, wherein the computer program logic defines: second means for storing a value indicative of a parent element for each element having a parent element; third means for storing a value indicative of a first child element for each element having a child element; and fourth means for storing a value indicative of a left sibling element, for each element having a left sibling element.

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Claim 12:
12. The computer program product of claim 1, wherein the descriptive markup for an element may include an attribute; and wherein the element descriptor of the element stores an indication of the attribute as the indication of any text content contained wit the element including the attribute.