1. An information processing device comprising: one or more processors programmed to read in a filled-in document, recognize a standard document type and an information structure of the read-in document, store content filled in on the read-in document in a memory; if the read-in document is not a most recent version, compare an information structure of the most recent version of a preregistered standard document type corresponding to the recognized standard document type to the recognized information structure, generate a differential document which includes only information structure of the most recent version that is not present or is presented differently in the recognized information structure, according to a result of the comparison, and output the generated differential document.
1. An information processing device comprising: one or more processors programmed to read in a filled-in document, recognize a standard document type and an information structure of the read-in document, store content filled in on the read-in document in a memory; if the read-in document is not a most recent version, compare an information structure of the most recent version of a preregistered standard document type corresponding to the recognized standard document type to the recognized information structure, generate a differential document which includes only information structure of the most recent version that is not present or is presented differently in the recognized information structure, according to a result of the comparison, and output the generated differential document. 10. The information processing device according to claim 1 , wherein the differential document is generated so as to include information structure absent from the filled-in document but present on the most recent version, or information structure present on the filled-in document but presented differently on the most recent version.