Dots (6, 3) function as a termination indicator following the rules of English Braille. This is required to be listed on the Special Symbols page according to that Code, even in a Nemeth transcription.
Dots (6, 3) function as a transcriber's grouping symbol following the rules of the Nemeth Code. Standard symbols of the Nemeth Code are not listed on the Special Symbols page.
Lindy Walton