Patent ID: 7380201

Claim:
A document generation system for generating a customised document using content elements selected by rules operating on input information, the input information comprising transaction values, the system comprising: at least one computer having a document generation program stored thereon, wherein the document generation program is executed to: a) generate a partially customised document by evaluating the rules to select some of the content elements; b) associate mark-up rules with the transaction values; and c) evaluate the mark-up rules to produce an indication in the generated partially customised document of where the transaction values are missing and their effect on the generated partially customised document being produced by the document generation program, and wherein the effect of the transaction values is indicated by marking up the generated partially customised document to show: i) the name and location of a missing transaction variable; ii) calculations involving the missing transaction variable; and iii) conditional text having a usage statement that depends on the missing transaction value.