In transcriptions of the Akkadian language, there are frequently superscript prefixes. For example, in the transcription of Amarna Tablet #16:
Here there are prefixes such as "matu" and "ilu". What is the meaning of the prefixes? If they represent characters in the actual cuneiform text, why are they not rendered the same as the other characters?
Also, as long as we are on the topic, what does the notation
Imean (found twice in the transcription above)? Note that this transcription is from Die Amarna Tafeln by Knudtzon, one of the standard works of historical Assyriology.