Reply To: questions of ELI, NI, and punct. Home › Forums › Nemeth Code for Math and Science › questions of ELI, NI, and punct. › Reply To: questions of ELI, NI, and punct. April 27, 2011 at 6:30 pm #20801 dworthingParticipant Back to the question I raised about the spacing of the colon. On page 34 in the Nemeth Code book is an example that is very similar to your expression. n : v → r The braille shows this: [braille];n_3v $o r They didn't leave a space on either side of that colon that looks to be standing alone in print.