16. A system according to claim 15 , wherein said received body of text is in a first script mode and said visual representation thereof is a second, different script mode.
16. A system according to claim 15 , wherein said received body of text is in a first script mode and said visual representation thereof is a second, different script mode. 18. A system according to claim 16 , wherein said second script mode includes ligatures consisting of n elements merged together, and wherein n is an integer greater than 1, and said rendering means is arranged to identify a ligature in said visual representation of said received body of text and merge the respective placeholders of said output device to correspond with the elements of said ligature.