I must admit I was surprised when I saw ASCII 32 being called "kunti bu" rather than "sepli bu" I thought we agreed on that back in 2000 ( see
http://mail.lojban.org/lojban-list/msg14141.html for example), although the former seems to have been in use since around 2010 or so, so I guess that's the more "stylish" name for you ki'orna'apre. (Although I probably would have used "kunti bu" for ASCII 0. Null seems more empty to me than space does).
Also wondering if there was any reason why you left the upper case letters blank rather than "ga'e a bu [to'a]" etc....
On a completely sepli OT note, don't confuse sepli.bu with se.plibu (lo stuzi be me'o denpa bu cu vajni )
--gejyspa