Simplify the following text for a Grade 10 native English-speaking person.
Original: The spelling `` Suharto '' reflects modern Indonesian spelling although the general approach in Indonesia is to rely on the spelling preferred by the person concerned . At the time of his birth , the standard transcription was `` Soeharto '' and he preferred the original spelling .
Simplified: The spelling `` Suharto '' has been official in Indonesia since 1947 but the older spelling Soeharto is still frequently used .