These extra 100 commands are:
\LtoR, \RtoL, \accfactor, \activefont, \aftereverydisplay, \autoLRdirset,
\autofontset, \autoLRset, \basefont, \billions, \everysemidisplay,
\everysemimath, \everysemipar, \fonttwin, \hboxR, \ifLtoR, \ifRtoL,
\ifautoLRdir, \ifautofont,
\ifjoinable, \iflatin, \ifleftvbox, \ifcase, \ifonesof, \iftensof,
\ifhundredsof, \ifthousands, \ifmillions, \ifbillions, \ifprehundreds,
\ifprethousands, \ifpremillions, \ifprebillions, \ifsetlatin, \ifsetsemitic,
\ifsetrawprinting, \ifsemiticchar, \ifsplited,
\inputR, \jattrib, \lastcharjoinable, \lastcharunjoinable, \latin, \lcode,
\leftvbox, \curboxdir, \curdirection, \curLRswch, \curspeech, \maketwin,
\manLRset, \midruleinit, \midrulespec, \millions, \openinR, \openoutR,
\rawprinting, \eqprinting,
\rightvbox, \leftinput, \semiaccent, \semiaccentdown, \retainaccentchar,
\semichar, \semichardef, \semiday, \semifam, \dblfont, \semifont,
\semihalign, \semimonth, \semispaceskip, \semitic, \semixspaceskip,
\semiyear, \thousands,
\twinfont, \vboxjustification, \LRshowswitch, \LRmiscswitch, \eqwrite,
\letlatinname, \letsemiticname, \leteqname, \eqchar, \eqcharif,
\letnoteqname, \letnoteqchar, \letnoteqcharif, \endspecial, \beginspecial
Please feel free to comment about the commands.