1. A machine-implemented method for recognizing a handwritten input including a tabular structure formed from a plurality atoms, the machine-implemented method comprising: creating configuration regions and configuration partitions; applying a plurality of rewriting rules of an extended grammar parsing framework to atoms, included in a plurality of regions and a plurality of partitions, to produce a plurality of recognition results, the plurality of regions including the created configuration regions, the plurality of partitions including the created configuration partitions, and the extended grammar parsing framework having been formed by adding a plurality of tabular structure productions to a grammar parsing framework; and selecting and displaying a best recognition result from among the plurality of recognition results.