4. The document conversion apparatus of claim 2 , wherein the at least one computer program further comprises program code that, when executed by the computer processor, implements an acquiring unit that acquires a first data type corresponding to the first document element and a second data type corresponding to the second document element, the first data type different from the second data type.
4. The document conversion apparatus of claim 2 , wherein the at least one computer program further comprises program code that, when executed by the computer processor, implements an acquiring unit that acquires a first data type corresponding to the first document element and a second data type corresponding to the second document element, the first data type different from the second data type. 12. The document conversion apparatus of claim 4 , wherein the acquiring unit is configured to determine the second binary conversion algorithm to be performed on the second document element based on the second data type.