Returns the original author of the currently viewed text item. Used for mail messages sent by other players; when the player makes a permanent copy of a letter and reads it from inventory, the default UI uses this function to display a signature (e.g. "From, Leeroy") at the end of the message text.
See also Item Text functions.
Signature:
creator = ItemTextGetCreator()
Returns:
creator- Creator of the text item, or nil if not available (string)