7. The method of claim 1 wherein the received supplemental information includes a document rendering characteristic observed in a previous text capture operation by said user and a corresponding document rendering characteristic observed in the distinguished text capture operation, and wherein the determined action is identifying different electronic documents as corresponding to the rendered documents in which the distinguished text capture operation and the previous text capture operation were performed based upon a difference between the document rendering characteristic observed in the previous text capture operation and the corresponding document rendering characteristic observed in the distinguished text capture operation.
10. The method of claim 7 wherein the document rendering characteristic observed in the previous text capture operation and the corresponding document rendering characteristic observed in the distinguished text capture operation are different paper types.